Journal Impact Factors for 2005

Impact Factors for leading medical and science journals in 2005 are listed below.
(Source: ISI Journal Citation Reports impact factors tabulated from each journal's public website)

Also visit the online H-index Calculator of Scientist Impact and Influence, powered by Google Scholar.

Additional journal impact factors:

--> Impact Factors of Genetics journals

--> Impact Factors of Cancer journals

--> Impact Factors of Cardiovascular disease journals

--> Impact Factors of Diabetes journals

--> Impact Factors of Epidemiology and Public Health journals

--> Impact Factors of Nutrition and Obesity journals

Journal Impact Factors
(note: review journals are not included)

General (internal) medicine

1. New England Journal of Medicine 44.0
2. Nature Medicine 28.9
3. The Lancet 23.4
4. Journal of the American Medical Association (JAMA) 23.3
5. Annals of Internal Medicine 13.3
6. British Medical Journal (BMJ) 9.0
7. Public Library of Science (PLOS) Medicine 8.4
8. Archives of Internal Medicine 8.0
9. Canadian Medical Association Journal (CMAJ) 7.4
10. Medicine 5.0
11. Am J Medicine 4.4
12. J Internal Medicine 4.0

Basic Science and Biology

1. Science 30.9
2. Cell 29.4
3. Nature 29.3
4. Nature Immunology 27.0
5. Nature Genetics 25.8
6. Nature Cell Biology 19.7
7. Nature Materials 15.9
8. Immunity 15.2
9. J Clinical Investigation 15.1
10. Molecular Cell 15.0
11. PLOS Biology 14.7
12. Developmental Cell 14.6
13. J Cell Biology 11.0
14. Proceedings of the National Academy of Science (PNAS) 10.3