Impact Factor
Most BMC journals have an impact factor. For the 42 journals with official 2011 impact factors, it ranged from 1.00 (BMC Ophthalmology) to 6.04 (BMC Medicine), with a mean of 2.62. Several of the subject-specific BMC journals are among the top quarter of journals in their field with regard to their impact factors, including BMC Genomics, BMC Bioinformatics, BMC Evolutionary Biology, and BMC Molecular Biology.
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—Thomas S. Kuhn (b. 1922)
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—Oscar Wilde (1854–1900)