Top 20 Journals

1. New England journal of medicine - (0028-4793)

• From Jun/1905 to Present in Single Journals

2. Nature (London) - (0028-0836)

• From Jan/1997 to Present in Nature Journals Online

3. JAMA : the journal of the American Medical Association - (0098-7484)

• From Jan/1993 to Present in Journals@Ovid Ovid Full Text

4. Science (Washington, D.C.) - (0036-8075)

• From Jul/1880 to Dec/2001 in JSTOR Health & General Science Collection
• From Jan/1997 to Present in Highwire Press

5. Circulation (New York, N.Y.) - (0009-7322)

• From Jan/1950 to Present in Highwire Press (Free Journals)
• From Jan/1950 to Present in Journals@Ovid Ovid Full Text
• From Jun/1905 to Present in Freely Accessible Science Journals

6. Pediatrics (Evanston) - (0031-4005)

• From Feb/1995 to Present in Health Reference Center Academic
• From Feb/1948 to Present in Highwire Press (Free Journals)
• From Feb/1948 to Present in Highwire Press

7. Lancet (British edition) - (0140-6736)

• From Oct/1852 to Present in ScienceDirect Journals

7. Lancet (North American edition) - (0099-5355)

• From Mar/1990 to Present in Health Reference Center Academic

8. Cell (Cambridge) - (0092-8674)

• From Jan/1995 to Present in ScienceDirect Journals

9. Journal of the American College of Cardiology - (0735-1097)

• From Jun/1905 to Present in ScienceDirect Journals
• From Jan/1998 to Jan/2006 in Highwire Press (Free Journals)

10. Proceedings of the National Academy of Sciences of the United States of America - (0027-8424)

• From Mar/1905 to Present in PubMed Central
• From Jan/1915 to Dec/2003 in JSTOR Health & General Science Collection
• From Jan/1915 to Present in Highwire Press (Free Journals)
• From Jan/1915 to Present in Highwire Press

11. Blood - (0006-4971)

• From Apr/1905 to Present in Freely Accessible Science Journals
• From Jan/1946 to Present in Highwire Press (Free Journals)
• From Jan/1946 to Present in Highwire Press

12. Annals of internal medicine - (0003-4819)

• From Jul/1960 to Present in Academic Search Premier
• From Jun/1905 to Present in Freely Accessible Science Journals
• From Jan/1993 to Present in Highwire Press (Free Journals)
• From Jan/1993 to Present in Journals@Ovid Ovid Full Text

13. Chest - (0012-3692)

• From May/1989 to Jun/2006 in Health Reference Center Academic
• From Jun/1905 to Present in Freely Accessible Science Journals
• From Jan/1995 to Present in Highwire Press (Free Journals)
• From Jan/1995 to Jan/2005 in Journals@Ovid Ovid Full Text
• From Jan/1995 to Present in Highwire Press

14. Critical care medicine - (0090-3493)

• From Jan/1995 to Present in Journals@Ovid Ovid Full Text

15. Journal of biological chemistry - (0021-9258)

• From Mar/1905 to Present in Freely Accessible Science Journals
• From Oct/1905 to Present in Highwire Press (Free Journals)
• From Oct/1905 to Present in Highwire Press

16. Clinical infectious diseases - (1058-4838)

• From Jun/1905 to Present in Freely Accessible Science Journals
• From Jun/1997 to Present in University of Chicago Press
• From Jan/2001 to Apr/2006 in Health Reference Center Academic

17. Journal of clinical oncology - (0732-183X)

• From Jan/1999 to Jan/2006 in Highwire Press (Free Journals)
• From Jan/1999 to Present in Highwire Press

18. American journal of cardiology - (0002-9149)

• From Feb/1905 to Present in ScienceDirect Journals

19. Cancer research (Baltimore) - (0008-5472)

• From Jan/1999 to Jan/2006 in Freely Accessible Science Journals
• From Jan/1999 to Jan/2006 in Highwire Press (Free Journals)
• From Jun/1905 to Present in American Association for Cancer Research

20. Archives of internal medicine (1960) - (0003-9926)

• From Feb/1905 to Feb/1905 in Journals@Ovid Ovid Full Text
• From Jun/1905 to Present in JAMA & Archives