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Correspondence

Nature 415, 732 (14 February 2002) | doi:10.1038/415732b

Strange results mean it's worth checking ISI data

Kathleen D. Hopkins1, Laragh Gollogly1, Sarah Ogden1 & Richard Horton1

  1. The Lancet, 84 Theobald's Road, London WC1X 8RR, UK

Like the editors of Nature (see Nature 415, 101; 2002), we too realize that it is in our best interests to carry out editorial checks of data from the Institute of Scientific Information (ISI). In 1998, The Lancet's impact factor, as calculated by ISI, dropped to 11.