ID	Author	Title	Journal	Year; volume (Issue): pages	Contact date in 2018 and results	Contact person
Bai 2003	Bai H, Zhao W	Clinical study of oxymatrine in treatment of hepatic fibrosis	Chinese Journal of Primary Medicine and Pharmacy	2003;10(8):711‐2	Contacted author 28 June by telephone: author no longer worked at hospital.	YQL
Cao 2004	Cao L, Zhang YW, Zhang YJ, Fu J	[Clinical efficacy of matrine injection in the treatment of chronic hepatitis B]	China Journal of Clinical Medicine Hygiene	2004;2(5):59‐60	Contacted author 28 June by telephone: Dr Cao was away and Dr Zhang was unable to answer questions. Contacted 18 October: Dr Cao did not remember the details.	YQL
Chen 2005	Chen CJ, Guo CL, Wang YQ	[Efficacy of chemotherapy α‐1b interferon combined with lamivudine to treat 30 cases with chronic hepatitis B]	Journal of Baotou Medical College	2005;21(3):255‐6	Contacted author 29 June by telephone: Dr Chen no longer worked at hospital. Dr Wang and Dr Chen were not available.	YQL
Chen 2000	Chen CX, Guo SM	[A clinical randomized study of matrine and interferon to treat patients with chronic hepatitis B]	Chinese Hepatology	2000;5(3):176‐7	Contacted author's work department on 29 June and 18 October, but no reply.	YQL
Chen 2006	Chen HY	[Therapeutic effect of oxymatrine on 48 patients with hepatitis B]	International Journal of Epidemiology and Infectious Diseases	2006;33(2):143	Contacted author's work department on 29 June and 18 October, but no reply.	YQL
Chen 2005	Chen X, Li CX, Shi YZ, Cao TG, Li JN	[Treatment of 110 cases of chronic hepatitis B with oxymatrine combined with fermented Cordyceps powder]	Journal of Zhejiang College of Traditional Chinese Medicine	2005;29(5):42‐3	Contacted author's work department on 29 June and 18 October, but no reply.	YQL
Chen 2006	Chen XR, Lu YF, Wang JR, Chen JJ	[Clinical observation of sequential therapy for chronic hepatitis B with dampness and heat resistance]	Chinese Hepatology	2006;11(5):342‐3	Contacted author's work department on 29 June and 18 October: authors were not available.	YQL
Chen 2001	Chen YX, Yang YQ, Mao BY, Shi JH	[Observation of the relationship between serum HBV DNA content and the efficacy of oxymatrine injection]	Infectious Pharmacy	2001;11(4):23‐5	Contacted author's work department on 29 June and 18 October, but no reply.	YQL
Chen 2002	Chen YX, Tian YY	[Observation and nursing of oxymatrine complex (Bo'er tai li) in treating chronic hepatitis B]	Shandong Medicine Journal	2002;42(29):40	Contacted author on 29 June: author no longer worked at hospital. New contact information not available.	YQL
Deng 2004	Deng HP, Tang JW	[Therapeutic effect of kushen injection on chronic hepatitis B]	Journal of Liaoning College of TCM	2004;6(4):311‐2	Contacted author's work department on 29 June and 18 October, but no reply.	YQL
Ding 2010	Ding YL	[Clinical observation of 52 cases of chronic hepatitis B with matrine]	Chinese and Foreign Medical Research	2010;8(12):73‐5	Contacted author on 29 June: but he no longer worked at hospital. New contact information not available.	YQL
Dong 2005	Dong GF	[Therapeutic effect of matrine and glucose injection on chronic hepatitis B]	Modern Journal of Integrated Traditional Chinese and Western Medicine	2005;14(20):2687	Contacted author's work department on 29 June and 18 October, but no reply.	YQL
Fan 2005	Fan XW, Li YF, Zhang XF	[Clinical observation on the treatment of chronic hepatitis B with matrine]	Shandong Medicine Journal	2005;45(25):72‐3	Contacted author's work department on 29 June: Dr Fan no longer worked in department. Attempted contact on 27 September and 18 October: Dr Li was not available.	YQL
Feng 2003	Feng YH	[Therapeutic effect of matrine on chronic hepatitis B]	Medical Forum Magazine	2003;24(13):46	Contacted author's work department on 29 June and 18 October, but author was not available.	YQL
Gai 2003	Gai XD, Wang LR, Yang YJ	[Therapeutic effect of oxymatrine on liver fibrosis]	Chinese Medicine of Factory and Mine	2003;16(6):450‐1	Contacted author's work department on 26 September, but the responder refused to transfer the line.	YQL
Gong 2009	Gong DL	[Effect of adefovir dipivoxil on chronic hepatitis B]	Journal of Clinical Rational Drug Use	2009;2(21):14‐5	Contacted author on 26 September by email, but no reply. Contacted author's work department on 18 October, but author was not available. Contacted on 29 October, but no answer.	YQL
Guo 2008	Guo Y	[Therapeutic effect of matrine capsule on 67 cases of chronic hepatitis B]	Shanxi Medical Journal	2008;37(2):121‐2	Contacted author on 11 October, but he was not available. Attempted contact on 18 October, but no reply.	YQL
Hong 2005	Hong YL, Wei YH	Clinical observation on sophorcarpidine treating chronic hepatitis B	Modern Diagnosis and Treatment	2005;16(6):341‐2	Contacted author's work department on 27 September and 18 October, but no reply.	YQL
Hou 2005	Hou ZH, Tan DM, Xie YT, Lu MH, Xie JP, Liu GZ, et al	Therapeutic effect of kurarinone in patients with chronic hepatitis B	Practical Preventive Medicine	2005;12(4):824‐6	Contacted author's work department on 27 September and 18 October, but no reply.	YQL
Hua 2013	Hua Z	[Effects and significance of thymocyte α‐1 on T cell subsets and cytotoxic T lymphocytes in patients with chronic hepatitis B]	16th National Conference on Viral Hepatitis and Liver Diseases of the Chinese Medical Association	—	Contacted author's work department on 26 September and 18 October, but no reply.	YQL
Huang 2004	Huang P	[Observation of curative effect of oxymatrine complex (Bo'er tai li) injection on 20 cases of chronic hepatitis B]	Journal of Medical Theory and Practice	2004;17(5):539‐40	Contacted author's work department on 26 September and 18 October, but no reply.	YQL
Cao 2005	Huang WF, Xie ZJ, Huang CB, Xu QL, Wang XM	[Comparative observation of the clinical efficacy between Radix Sophora flavescens and α‐2b interferon for chronic hepatitis B]	Practical Clinical Journal of Integrated Traditional Chinese and Western Medicine	2005;5(6):9	Contacted author's work department on 26 September, 27 September, and 18 October, but no reply.	YQL
Huang 2004	Huang Y	Clinical observation and nursing on hyperbilirubinemia of chronic hepatitis B treated by oxymatrine injection	Hunan Guiding Journal of TCM	2004;10(3):16‐7	Contacted author's work department on 27 September, but he did not work there.	YQL
Huang 2004	Huang YQ, Lin ZH, Ji SM, Wang CG	Effect of expression of Fas/Fasl of chronic hepatitis B undergoing treatment with kurorinone	Physician's Training Magazine (Internal Science Edition)	2004;27(6):19‐20	Contacted author's work department on 27 September, but he did not work there.	YQL
Huang 2004	Huang YQ, Lin ZH, Ji SM, Wang CG	The effect of kurorinone on the serum level of TNF‐a and IL‐6 in patients with chronic hepatitis B	Journal of Chinese Physician	2004;6(10):1322‐3	Contacted author's work department on 27 September, but he did not work there.	YQL
Huang 2005	Huang YQ, Lin ZH, Xu ZJ, Chen XL, Wang CG	Clinical effects of kurorinone in the treatment of sixty patients with chronic hepatitis B	Acta Academiae Medicinae Jiangxi	2005;45(1):76‐8	Contacted author's work department on 27 September, but he did not work there.	YQL
Jiang 2004	Jiang B, Li YP	[Clinical observation of tianqing fuxin in the treatment of chronic hepatitis B]	Guide of China Medicine	2004;2(12):966‐7	Contacted author on 27 September, but author was not available. Contacted on 28 September, but no reply.	YQL
Kang 2012	Kang DQ, Xiao SJ, Wang P	[Curative effect of matrine in treating 20 cases of chronic hepatitis B]	Chinese Journal of Aesthetic Medicine	2012;21(12):382‐3	Contacted author's work department on 28 June and 28 September, but he no longer worked there.	YQL
Kang 2003	Kang YH, Suo ZM	[Therapeutic effect of matrine on 78 cases of chronic viral hepatitis B]	Modern Journal of Integrated Traditional Chinese and Western Medicine	2003;12(10):1044	Contacted author's work department on 27 September and 18 October, but he was not available.	YQL
Li 2005	Li AB, Jin S, Liu WG	Therapeutic efficacy of oxymatrine combined with thymotide in the treatment of chronic hepatitis B	Journal of Lanzhou Medical College	2005;28(4):332‐3, 336	Contacted author 28 September, but the author refused to answer questions.	YQL
Li 2008	Li AC	[Clinical observation on treatment of HBeAg positive chronic hepatitis B with matrine capsule combined with α interferon ]	Chinese Journal of Misdiagnosis	2008;8(7):1588‐9	Contacted author's work department on 28 September and 18 October, but no reply.	YQL
Li 2002	Li J	[Therapeutic effect of matrine injection combined with thymic factor D on chronic hepatitis B]	Shandong Medicine Journal	2002;42(21):45‐6	Contacted author 26 September, but no reply. Contacted on 27 September, but had difficulty in communication with responder.	YQL
Li 2005	Li LM, Li FL	[Report of 42 cases of chronic hepatitis B treated with matrine]	Shandong Medicine Journal	2005;45(9):76‐7	Contacted author's work department on 27 September and 18 October, but no reply.	YQL
Li 2005	Li SW	[45 patients with chronic hepatitis B treated by matrine injection]	China Pharmaceuticals	2005;14(1):69‐70	Contacted author 28 September and 18 October: author was not available.	YQL
Lin 2004	Lin CS, Chong YT, Lin BL	[Therapeutic effect of matrine injection on 150 cases of chronic hepatitis B]	New Medical Journal	2004;35(1):22‐3	Contacted author 27 September, but no reply. Contacted on 18 October: author was too busy to reply.	YQL
Lin 2008	Lin D, Yin DH	[Comparison of clinical efficacy between patients with lamivudine resistance and rebound after withdrawal with dicyclol and matrine]	Lishizhen Medicine and Materia Medica Research	2008;19(9):2287‐8	Contacted author's work department on 28 August, but no reply. Contacted on 18 October, but author was not available.	YQL
Lin 2001	Lin JB	[Matrine in the treatment of 20 cases of chronic hepatitis B]	Chinese Journal of Integrated Traditional and Western Medicine on Liver Diseases	2001;11(Suppl):60	Contacted author's work department on 28 August and 18 October, but no reply.	YQL
Liu 2003	Liu CK	[Matrine treat on 39 cases with chronic hepatitis B]	Jiangxi Medicine	2003;38(4):283	No efficient contact information available.	YQL
Liu 2006	Liu CL	[Therapeutic effect of matrine injection on chronic viral hepatitis B]	Practical Clinical Medicine	2006;7(5):42‐3	Contacted author's work department on 27 August and 18 October, but no reply.	YQL
Liu 2006	Liu JS, Deng FY, He DH, Cui QY, Xu NM	[Therapeutic effect of matrine and glucose injection on chronic hepatitis B]	Chinese Clinical New Medicine	2006;6(6):517‐8	Contacted author's work department on 11 October, but no reply.	YQL
Liu 2003	Liu LZ	[Clinical observation of 26 cases of chronic hepatitis B with matrine]	Central Plains Medical Journal	2003;30(24):48‐9	Contacted author on 28 September and 18 October, but author was not available.	YQL
Liu 2000	Liu M, Zhang SL	[Oxymatrine complex (Bo'er tai li) injection for the treatment of chronic hepatitis B]	Infect Dis Info	2000;13(1):42‐3	Contacted author's work department on 28 September and 18 October, but no reply.	YQL
Lu 2002	Lu BL, Zhong LH, Fan Y	[Therapeutic effect of matrine on chronic hepatitis B]	Hei Long Jiang Medical Journal	2002;26(1):46	Contacted author 27 August, but he refused to answer questions.	YQL
Lu 2009	Lu MW	[Therapeutic effect of matrine capsule combined with interferon α ‐ 1b on HBeAg positive chronic hepatitis B]	Chinese Journal of Clinical Rational Drug Use	2009;2(10):40	Contacted author 29 June, but no reply. Contacted on 1 August, but he refused to answer the questions.	SSM
Luan 2003	Luan L, Zhang JL	Treatment of cases of chronic hepatitis B with oxymatrine	Herald Medicine	2003;22(10):692‐3	Contacted author's work hospital, but he has retired.	SSM
Ma 2005	Ma L, Zhang JL	Comparison of oxymatrine and adefovir in the treatment of chronic hepatitis B	Chinese Journal of Natural Medicines	2005;7(1):28‐9	Contacted author 29 June: author was busy and offered us the email address. We sent emails on 29 June and 1 August but have not received a reply.	SSM
Ma 2001	Ma XY	[Clinical observation of the curative effect of matrine and α‐1b interferon in the treatment of chronic hepatitis B]	Qinghai Medicine Magazine	2001;31(7):18‐9	Contacted author's work hospital on 29 June, but he did not work there.	SSM
Meng 2006	Meng BL	[Clinical observation of 78 cases of chronic hepatitis B with recurrence after lamivudine withdrawal]	9th National Conference of Infectious Diseases of the Chinese Medical Association	—	Contacted author 29 June by telephone: the author refused to answer questions.	SSM
Pan 2006	Pan XH, Li ZP, Chu F	Clinical observation on treatment of 84 cases of chronic hepatitis B with combination of matrine and diammonium glycyrrhizinate	World Journal of Infection	2006;6(3):216‐8	Contacted author 29 June: author confirmed it was a randomised trial but could not remember the detailed information.	SSM
Qiao 2008	Qiao WL, Li H, Li MJ	[Therapeutic effect of matrine on 29 cases of chronic hepatitis B]	Journal of Taishan Medical College	2008;29(2):146‐7	Contacted author 29 June by telephone: the author refused to answer questions.	SSM
Qin 2008	Qin H, Duan HY	[Clinical management of YMDD variation in hepatitis B]	Chinese Physician Training Magazine	2008;31(Suppl):71‐2	Attempted contact with author through the author's work hospital on 29 June and 3 August, but no reply.	SSM
Qiu 2009	Qiu ZQ, Xie LM, Zheng WQ	[Cost‐effectiveness analysis of four options for treating chronic hepatitis B]	Journal of Huaihai Medicine	2009;27(4):358‐9	Contacted authors' work hospital on 29 June and 15 August, but Dr Qiu and Dr Xie no longer work there, and Dr Zheng was not available.	SSM
Quan 2008	Quan B	[Therapeutic effect of matrine on chronic hepatitis B]	Chinese Journal of Primary Medicine and Pharmacy	2008;15(2):308‐9	Contacted author's work department on 29 June and 3 August, but he did not work there.	SSM
Ren 2010	Ren WX, Wang JH, Cui J	[The sequential treatment of chronic hepatitis B with matrine and glucosamine injection]	Jilin Medicine Journal	2010;31(25):4304	Attempted contact through the author's work department on 29 June, but no reply. Contacted on 15 August: he was not available. Contacted on 16 August, but no reply.	SSM
She 2005	She HY, Wu XH, Zhang JM, Feng ZZ	[Changes of liver fibrosis indexes in the treatment of chronic hepatitis B with matrine]	Chinese Journal of Infectious Diseases	2005;23(5):358	Contacted author's work department on 29 June and 3 August, but Dr She did not work there and Dr Wu had retired.	SSM
She 2004	She HY, Wu XH, Zhang JM, Feng ZZ, Huang MY, Chen YZ, et al	[Matrine injection was used to treat 98 cases of chronic hepatitis B]	Chinese Journal of Infectious Diseases	2004;22(3):212‐3	Contacted author's work department on 29 June and 3 August, but Dr She did not work there and Dr Wu had retired.	SSM
Shen 2004	Shen GH	[Clinical observation of 27 cases of chronic hepatitis B treated by tianqing fuxin]	Chinese Journal of Modern Practical Medicine	2004;3(19/20):85	Contacted author's work department on 29 June, but no reply. Contacted on 15 August: author was not available. They requested author to contact us.	SSM
Qin 2010	Qin WH, Tu YY, Huang B, Deng JG	[Clinical observation on the treatment of chronic hepatitis B with compound rhizome solution]	Lishizhen Medicine and Materia Medica Research	2010;21(10):2612‐3	Contacted author's work hospital on 29 June and 14 September, but no reply.	SSM
Tang 2007	Tang GL	Comparison off cost‐effectiveness between matrine and interferon in treatment of chronic hepatitis B	China Tropical Medicine	2007;7(1):6‐7	Contacted author's work hospital on 3rd August and 15 August, but no reply.	SSM
Tang 2000	Tang HF, Qiao M, Wang XG, Ren HL	[Clinical observation of the curative effect of chronic hepatitis B treated with the matrine on combined with α‐2b interferon]	6th National Symposium on Clinical Application of Interferon and Cytokines	—	Contacted author's work hospital on 3 August and 15 August, but no reply.	SSM
Tang 2007	Tang ZQ, Guo Y	[Clinical observation of interferon and matrine in the treatment of chronic hepatitis B]	Inner Mongolia Medical Journal	2007;39(8):952‐3	Contacted author's work hospital on 3 August and 15 August, but no reply.	SSM
Wang 2008	Wang Z	[Clinical observation of post hepatitis B fibrosis treated with matrine]	Practical Chinese and Western Medicine Combined Clinical	2008;8(5):58	Contacted author 3 August: on author's request we sent questions through Wechat on 3 August and 15 August, but received no reply.	SSM
Wang 2010	Wang J	Clinical evaluation on the treatment effect of hepatitis B in HBeAg‐positive patients with adefovir dipivoxil	Chinese Journal of Hepatology	2010;2(2):18‐21	Contacted author 29 June: author could not remember details and preferred communication through emails. Sent emails on 29 June and 3 August, received no reply.	SSM
Wang 2002	Wang TD, Yang H, Gu JJ	Clinical observation of bicyclol in treating chronic hepatitis B with 60 cases	Chinese Journal of Clinical Pharmacy	2002;11(5):277‐9	Contacted author 29 June: author could not remember details and refused to provide email addresses for further contact.	SSM
Wang 2005	Wang XG	The interferon symphysis kurarinone treat chronic hepatitis B clinic observation	Chinese Journal of the Practical Chinese with Modern Medicine	2005;18(12):1739‐40	Contacted author's work hospital on 3 August and 14 September: author had possibly retried from hospital.	SSM
Wang 2010	Wang X, She JJ, Qiao J, He XL	Clinical effect of marine tablets in the treatment of chronic hepatitis B patients with low level of HBV	Journal of Tropical Medicine	2010;10(8):961‐3	Contacted author's hospital on 29 June: author had retired. No other contact information available.	SSM
Wang 2010	Wang Y	[Observation of curative effect of matrine injection combined with diammonium glycyrrhizinate in the treatment of 1200 cases of chronic hepatitis B]	Medical Information	2010;23(11):50	Contacted author's hospital on 29 June, but he did not work there.	SSM
Wang 2003	Wang YZ	[Cost‐effectiveness analysis of three treatment options for chronic hepatitis B]	Chinese Journal of Integrated Traditional and Western Medicine	2003;13(5):307‐9	Contacted author's hospital on 29 June and 15 August: author had retired. No other contact information available.	SSM
Wei 2007	Wei YH	[Clinical observation on the treatment of chronic hepatitis B with matrine combined with glycyxin]	Strait Pharmaceutical Journal	2007;19(10):89‐90	Contacted author's work department on 29 June and 14 September: author was not available.	SSM
Wu 2009	Wu DL	[Effect of compound glycyrrhizin on 52 cases of chronic hepatitis B]	China Modern Medicine	2009;16(10):84‐5	Contacted author's work department on 29 June and 14 September, but no reply.	SSM
Wu 2004	Wu LF	Comparison of therapeutic effects and cost‐effectiveness analysis of matrine and α‐interferon for chronic hepatitis B	Anhui Medical and Pharmaceutical Journal	2004;8(5):370‐1	Contacted author's work department on 4 August and 14 September, but no reply.	SSM
Wu 2004	Wu YL	[Clinical study on anti ‐ liver fibrosis with matrine]	Chinese Herbal Medicine	2004;27(2):153‐4	Contacted author's work department on 4 August and 14 September: author had retired.	SSM
Wu 2002	Wu CQ	[Therapeutic effect of matrine on chronic hepatitis B]	Shanxi Medical Journal	2002;31(2):125	Contacted author 29 June and 5 August: we obtained the author's person telephone number and Wechat number. Contacted author on 14 September, but number was incorrect.	SSM
Xiao 2006	Xiao Q	[The curative effect of matrine injection on HBeAg negative chronic hepatitis B and its relationship with gene mutation site]	Shaanxi Journal of Traditional Chinese Medicine	2006;27(1):3‐4	Contacted author's work department on 29 June, but no reply. Contacted on 14 September, but author was not available.	SSM
Huang 2008	Huang T, Yang L, Zhao LF	[Therapeutic effect of matrine on 102 cases of chronic hepatitis B]	Chinese Remedies & Clinics	2008;8(6):490‐1	Contacted author's work department on 2 August and 13 August, but no reply.	CLL
Xie 2006	Xie R	[Clinical observation of matrine in treating patients with lamivudine resistance to chronic hepatitis B]	15th National Conference on Integrative Medicine for Liver Diseases	—	Contacted author's work hospital on 2 August, but he did not work there.	CLL
Xiong 2005	Xiong Y, Shen NS, Chen B, Wu YN, Huang YH, Yang H	Clinical observation on retreating chronic hepatitis B after lamivudine withdrawing	Chinese Journal of Modern Chinese and Western Medicine	2005;3(1):	Contacted author's work department on 2 August, but he did not work there.	CLL
Xu 2008	Xu DX	Effect of oxymatrine capsule on chronic hepatitis B	Occupation and Health	2008;24(15):1474	Contacted author's work department on 7 August, but he did not work there.	CLL
Xu 2005	Xu HF, Wang YB	[Retreatment of patients with chronic hepatitis B after lamivudine treatment failure]	Journal of Clinical Hepatology	2005;8(5):294‐5	Contacted author's work department on 8 August, but he did not work there.	CLL
Xu 2004	Xu J, Yao YC	[Fifty patients with positive HBV deoxyribonucleic acid treated with matrine]	Modern Journal of Integrated Traditional Chinese and Western Medicine	2004;13(14):1846	Contacted author's work department on 2 August and 8 August, but no reply.	CLL
Xu 2013	Xu LH	[Clinical observation on treatment of HBeAg positive chronic hepatitis B with matrine capsule combined with interferon‐α]	Medical Information	2013;26(5):609‐10	Contacted author on 2 August, but author refused to answer questions.	CLL
Xu 2005	Xu HQ, Wang QT, Wu RT, Dai SL, Wang X	[Treatment of 38 cases with chronic hepatitis B with oxymatrine]	Modern Medicine & Health	2005;21(1):49	Contacted author's work department on 2 August and 9 August, but no reply.	CLL
Yan 2009	Yan HB	[Clinical efficacy of matrine in the treatment of hepatic fibrosis of chronic hepatitis B]	Jilin Medicine	2009;30(15):1672‐3	Contacted author's work department on 2 August and 9 August, but no reply.	CLL
Yang 2005	Yang JG, Xin JL, He XF	[Treatment of 36 cases with chronic hepatitis B with matrine]	Chinese Journal of Integrated Traditional and Western Medicine	2005;15(5):305‐6	No efficient contact information available.	CLL
Yao 2007	Yao MW	[Clinical observation of 52 cases of chronic hepatitis B with matrine]	Journal of Clinical Medicine in Practice	2007;11(1):74	Contacted author's work department on 2 August and 9 August, but no reply.	CLL
Yin 2005	Yin MS, Cui XY, Piao HX, Zhou ZX	[Preliminary study on the treatment of chronic viral hepatitis B with matrine]	Chinese Journal of Clinical Hepatology	2005;21(4):237‐8	Contacted author's work hospital on 2 August, but he did not work there.	CLL
Yin 2002	Yin YK, Zhang JM, Lu Q, Zhang WQ, Zhang QB, Wu XH, et al	[Therapeutic effect of matrine capsule on 29 cases of chronic hepatitis B]	Chinese Hepatology	2002;7(2):134‐5	Contacted author's work hospital on 2 August, but he did not work there.	CLL
Yin 2002	Yin YM	[36 cases of HBsAg negative chronic hepatitis B were treated by ganlixin combined with matrine]	Jilin Traditional Chinese Medicine	2002;22(5):14	Contacted author's work hospital on 2 August, but he did not work there.	CLL
Yu 2001	Yu YY, Si CW, Zeng Z, Wang QH, Zhou XQ, Zhang QB, et al	A clinical trial of oxymatrine in treating chronic viral hepatitis type B	Chinese Journal of Internal Medicine	2001;40(12):843‐6	Contacted authors' work department on 2 August, but author was not available. Contacted on 9 August, but no reply.	CLL
Yu 2005	Yu FQ	[Therapeutic effect of matrine on chronic hepatitis B]	Central Plains Medical Journal	2005;32(8):40	Contacted authors' work hospital on 2 August and 9 August, but no reply.	CLL
Yu 2005	Yu LL, Wen XF	[Therapeutic effect of matrine injection on 42 cases of chronic hepatitis B]	Acta Academiae Medicinae Zunyi	2005;28(4):363‐4	Contacted author's work department on 2 August and 9 August, but no reply.	CLL
Zhan 2006	Zhan DA	[Matrine in the treatment of HBeAg positive hepatitis B fibrosis]	First National Conference on Integrative Medicine	—	Contacted author's work department on 2 August and 9 August, but no reply.	CLL
Zhang 2004	Zhang DH, Liu H	Clinical observation on the changes of T subsets in the treatment of chronic hepatitis B with alkaloids sophora	Modern Medical and Health	2004;20(16):1588‐9	Contact author's hospital on 2 August, but telephone number was incorrect.	CLL
Zhang 2002	Zhang HL, Shan TH, Liu XX	[Matrine in the treatment of HBeAg negative chronic hepatitis B]	Qingdao Medical Journal	2002;34(1):26	Contacted author's work hospital on 2 August, but he did not work there.	CLL
Zhang 2012	Zhang JH	[Analysis of curative effect of matrine capsule on chronic hepatitis B ]	Medical Frontier	2012;2(35):157‐8	Contacted author's work hospital on 2 August, but the responder refused to transfer the call. Contacted on 13 August, but he did not work there.	CLL
Zhang 2002	Zhang LC, Mao JZ, Song Z	[Short‐term efficacy of matrine injection in the treatment of chronic hepatitis B]	Ningxia Medical Journal	2002;24(12):730‐1	Contacted author's work department on 2 August, but no reply. Contacted on 13 August: the responder said the author did not work here.	CLL
Zhang 2006	Zhang WD, Li JY, Ye XB, Yang JX	[Clinical efficacy of matrine in the treatment of chronic hepatitis B]	Journal of Clinical and Experimental Medicine	2006;5(6):737	Contacted author's work department on 2 August and 13 August, but no reply.	CLL
Zhang 2006	Zhang XY	[Therapeutic effect of kushen capsule on chronic hepatitis B]	10th National Conference on Liver Diseases and the 10th Anniversary of the Chinese Journal of Liver Diseases	—	Contacted author's work department on 2 August and 13 August, but no reply.	CLL
Zhang 2005	Zhang X, Qu J	[Analysis of therapeutic effect of drug combination on chronic hepatitis B]	China Health Statistics Yearbook	2005;22(3):189‐90	Contacted author's work department on 2 August and 13 August, but no reply.	CLL
Zhang 2005	Zhang YT, Lan LP	[Effect of adenosine monophosphate combined with lentinan polysaccharide on 56 cases of unresponsive chronic hepatitis B]	Proceeding of the Clinical Medicine Journal	2005;14(9):684‐5	Contacted author's work department on 2 August and 13 August, but no reply.	CLL
Zhang 2001	Zhang YJ	[Clinical efficacy of matrine injection in the treatment of chronic hepatitis B]	7th National Conference on Infectious Diseases of the Chinese Medical Association	—	Contacted author's work hospital on 2 August, but he did not work there.	CLL
Zhao 2001	Zhao SK, Zhao JH, Zhao QX	[Clinical observation on the curative effect of matrine combined with thymosin in the treatment of chronic hepatitis B]	Worldwide Medicine	2001;19(2):18‐9	Contacted author's hospital on 2 August, but telephone number was incorrect.	CLL
Zhou 2003	Zhou DM, Kang DQ, Liu AP, Chen B, Ju LX	A clinical study of kurorinone in the treatment of hepatic fibrosis for chronic hepatitis B	Chinese Journal of Medical Writing	2003;10(13):1169‐70	Contacted author's work hospital on 2 August, but he did not work there.	CLL
Zhou 2004	Zhou GH	[30 cases of chronic hepatitis B were treated by matrine and glucose sequence]	World Chinese Journal of Digestology	2004;12(10):	Contacted author's hospital on 2 August, but telephone number was incorrect.	CLL
Zeng 2003	Zeng XQ, Xu WD	[Clinical observation of matrine injection in treating chronic hepatitis B]	Zhong Hua Lin Chuang Yi Yao Za Zhi	—	Contacted author 28 September, but ne was not available. Contacted 18 October, but no reply.	YQL
Wan 2009	Wan NY, Su ZW	United adefovir dipivoxil and matrine treatment efficacy and analysis of hepatitis B	Sichuan Medical Journal	2009;30(6):930‐2	Contacted author 21 December and 24 December, but no reply.	YQL
Long 2006	Long X, Lu TH, Luo X	Efficacy of oxymatrine in the treatment of patients with chronic hepatitis B	Medical Journal of West China	2006;18(4):429‐30	Contacted author 21 December and 24 December, but no reply.	YQL
Luo 2010	Luo DD, Qiu ZW	Benefit evaluation of matrine injection and diammonium glycyrrhizinate injection in treatment of chronic hepatitis	China Modern Medicine	2010;17(11):114‐5	Contacted author 21 December and 24 December, but no reply.	YQL
Li 2013	Li XH	[Clinical observation on treatment of chronic hepatitis B with combination of traditional Chinese medicine and western medicine](Abstract)	Health Horizon	2013;(19)	Contacted author 21 December and 24 December, but no reply.	YQL