Database	Time Span	Search Strategies
The Cochrane Hepato‐Biliary Group Controlled Trials Register	Date will be given at the review stage.	Sophorus species OR Radix Sophorae flavescentis OR matrine OR oxymatrine
The Cochrane Central Register of Controlled Trials (CENTRAL) in The Cochrane Library	Latest issue.	#1 Sophorus species #2 Radix Sophorae flavescentis #3 matrine #4 oxymatrine #5 #1 MeSH descriptor Hepatitis B, Chronic explode all trees #6 ((#1 or #2 or #3 or #4) and #5)
MEDLINE (Ovid SP)	1950 to the date when the search is performed.	#1 Sophorus species.mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer] #2 Radix Sophorae flavescentis.mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer] #3 matrine.mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer] #4 oxymatrine.mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer] #5 exp Hepatitis B, Chronic/ #6 ((#1 or #2 or #3 or #4) and #5)
EMBASE (Ovid SP)	1980 to the date when the search is performed.	#1 Sophorus species.mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer] #2 Radix Sophorae flavescentis.mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer] #3 matrine.mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer] #4 oxymatrine.mp. [mp=title, abstract, subject headings, heading word, drug trade name, original title, device manufacturer, drug manufacturer] #5 exp hepatitis B/ #6 ((#1 or #2 or #3 or #4) and #5)
Science Citation Index Expanded (http://www.isiknowledge.com/?DestApp=WOS&locale=en_US.)	1900 to the date when the search is performed.	#1TS=Sophorus species #2 TS=Radix Sophorae flavescentis #3 TS=matrine #4 TS=oxymatrine #5 TS=chronic hepatitis B #6 ((#1 or #2 or #3 or #4) and #5)
Google scholar	Available on line.	Sophorus species, Radix Sophorae flavescentis, matrine, oxymatrine Chronic hepatitis B
CBM (Chinese Biomedical Database)(http://sinomed.imicams.ac.cn/)	1978 to the date when the search is performed.	#1Sophorus species #2 Radix Sophorae flavescentis #3 matrine #4 oxymatrine #5 Ku Shen #6 Ke Su #7 Gan Yi Ning #8 chronic hepatitis B explode all trees (MeSH) #9 ((#1 or #2 or #3 or #4 or #5 or #6 or #7) and #8)
CNKI (China National Knowledge Infrastructure)(http://www.cnki.net/)	1994 to the date when the search is performed.	#1Sophorus species #2 Radix Sophorae flavescentis #3 matrine #4 oxymatrine #5 Ku Shen #6Ke Su #7 Gan Yi Ning #8 chronic hepatitis B explode all trees (MeSH) #9 ((#1 or #2 or #3 or #4 or #5 or #6 or #7) and #8)
Wanfang Database (http://www.wanfangdata.com.cn/)	1982 to the date when the search is performed.	#1Sophorus species #2 Radix Sophorae flavescentis #3 matrine #4 oxymatrine #5 Ku Shen #6Ke Su #7 Gan Yi Ning #8 chronic hepatitis B explode all trees (MeSH) #9 ((#1 or #2 or #3 or #4 or #5 or #6 or #7) and #8)
VIP (http://www.cqvip.com)	1989 to the date when the search is performed.	#1Sophorus species #2 Radix Sophorae flavescentis #3 matrine #4 oxymatrine #5 Ku Shen #6Ke Su #7 Gan Yi Ning #8 chronic hepatitis B explode all trees (MeSH) #9 ((#1 or #2 or #3 or #4 or #5 or #6 or #7) and #8)
TCM Online (http://www.cintcm.com/opencms/opencms/index.html)	1984 to the date when the search is performed.	#1Sophorus species #2 Radix Sophorae flavescentis #3 matrine #4 oxymatrine #5 Ku Shen #6Ke Su #7 Gan Yi Ning #8 chronic hepatitis B explode all trees (MeSH) #9 ((#1 or #2 or #3 or #4 or #5 or #6 or #7) and #8)