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CMAJ's impact factor improves
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CMAJ's impact factor, the most important indicator of how widely its articles are cited in the scientific literature, rose significantly last year, the Institute for Scientific Information in Philadelphia reports. The data indicate that the journal's impact factor rose from 1.6 citations per scientific article in 1997 to 2.4 in 1999. At the same time, the number of citations for CMAJ articles rose to 4873 in 1999, up 18% from 1997. The numbers are important because they express the relation between the volume of substantive scientific articles published and the frequency with which the journal is cited. The result means that CMAJ now ranks fifth among the world's general medical journals. The only general-interest journals with higher impact factors are the NEJM (28.9), JAMA (11.4), Lancet (10.2) and the BMJ (5.1).
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