``The open-access journal PLoS Biology has been assessed by Thomson ISI to have an impact factor of 13.9, which places PLoS Biology among the most highly cited journals in the life sciences. This is an outstanding statistic for a journal less than two years old, from a new publisher promoting a new business model that supports open access to the scientific and medical literature.''

URL

http://www.plos.org/news/announce_pbioif.html