Table 3.

Journal h-index values and number of duplicate and retracted items in top-tier journals*

Rank	Journal abbreviations	Journal h-index	Duplicate items, No.	Retracted items, No.
1	Nature	768	0	51
2	Science	739	0	73
3	N Engl J Med	651	1	17
4	Cell	521	0	27
5	Proc Natl Acad Sci U S A	485	1	75
6	Lancet	477	4	14
7	JAMA	456	3	3
8	Circulation	429	8	13
9	Chem Rev	400	0	1
10	Nat Genet	395	0	2
11	Phys Rev Lett	395	0	5
12	J Biol Chem	372	1	82
13	Nat Med	370	0	11
14	J Clin Oncol	346	2	10
15	J Am Chem Soc	340	0	16
16	J Clin Invest	336	0	25
17	J Exp Med	323	0	9
18	Genes Dev	318	0	3
19	Blood	309	0	34
20	Angew Chem Int Ed Engl	305	0	4
21	Cancer Res	305	0	16
22	J Neurosci	305	0	14
23	Neuron	301	0	4
24	Nucleic Acids Res	299	2	6
25	EMBO J	295	0	15
26	Appl Phys Lett	290	0	0
27	J Am Coll Cardiol	277	2	6
28	BMJ	275	4	6
29	J Cell Biol	275	0	7
30	Phys Rev B Condens Matter Mater Phys	269	0	0
31	Gastroenterology	266	2	2
32	J Immunol	266	1	44
33	Nat Biotechnol	265	0	2
34	Ann Intern Med	263	0	3
35	Mol Cell	261	0	3
36	Immunity	260	0	7
37	Nat Neurosci	257	0	0
38	J Natl Cancer Inst	254	0	1
39	Am J Respir Crit Care Med	252	2	6
40	Nat Rev Mol Cell Biol	252	0	0
41	J Phys Chem B	250	0	1
42	Mol Cell Biol	247	0	17
43	Nat Rev Cancer	244	0	0
44	Nat Immunol	243	0	2
45	Neurology	240	16	7
46	Nano Lett	239	0	0
47	Am J Psychiatry	237	0	2
48	Nat Cell Biol	236	0	4
49	J Clin Endocrinol Metab	234	3	4
50	Hepatology	233	1	2

*The selected journals are ranked according to their h-index in the SCImago Journal & Country Rank Database, where 20 544 multidisciplinary journals are listed (as of January 30, 2014). The records of duplicate and retracted items of the most-impacting journals are retrieved from PubMed.