Journal Impact Factor 2004 Journal Impact Factor is from Journal Citation Report (JCR), a product of Thomson ISI (Institute for Scientific Information). This is a subscription service provided by Thomson. The following list was compiled from data gathered from journal websites and Sci-Bytes. Rank Abbreviated Journal Title IF 1 ANNU REV IMMUNOL 52.431 2 CA-CANCER J CLIN 44.515 3 NEW ENGL J MED 38.570 4 NAT REV CANCER 36.557 5 PHYSIOL REV 33.918 6 NAT REV MOL CELL BIO 33.170 7 REV MOD PHYS 32.771 8 NAT REV IMMUNOL 32.695 9 NATURE 32.182 10 SCIENCE 31.853 11 ANNU REV BIOCHEM 31.538 12 NAT MED 31.223 13 CELL 28.389 14 NAT IMMUNOL 27.586 15 JAMA-J AM MED ASSOC 24.831 16 NAT GENET 24.695 17 ANNU REV NEUROSCI 23.143 18 PHARMACOL REV 22.837 19 NAT BIOTECHNOL 22.355 20 LANCET 21.713 21 SURF SCI REP 21.350 22 NAT REV GENET 21.329 23 NAT REV NEUROSCI 21.225 24 ANNU REV PHARMACOL 21.104 25 NAT CELL BIOL 20.649 26 CHEM REV 20.233 27 NAT REV DRUG DISCOV 19.583 28 ANNU REV ASTRON ASTR 18.839 29 ENDOCR REV 18.784 30 CANCER CELL 18.122 31 ANNU REV CELL DEV BI 17.804 32 MICROBIOL MOL BIOL R 17.037 33 NAT NEUROSCI 16.980 34 MOL CELL 16.811 35 ANNU REV PHYSIOL 16.672 36 GENE DEV 16.385 37 ANNU REV PLANT BIOL 16.240 38 BBA-REV CANCER 16.120 39 SOLID STATE PHYS 16.000 40 IMMUNITY 15.448 The complete list was removed from this website due to copy-right violations. A list of journal impact factor 2004 is available from: http://vrossi.free.fr/IF2004.html