Number of citations received by books on epidemiology, biostatistics and related fields.^*

*<p>Based on ISI - Thomson - Reuters Web of Science <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0061837#pone.0061837-Thomson1" target="_blank">[305]</a>.</p>a<p>Ranked by total number of citations received by all editions in all years (from year of publication until 31 December 2011).</p>b<p>For identification purposes: only the first authors and an abbreviated title are mentioned; the full reference is provided in the list of references.</p>c<p>All editions, except for Hill's <i>Principles of medical statistics</i>.^c1</p>d<p>Years elapsed from first edition until the end of 2011.</p>e<p>Simple average from year of publication until 31 December 2011 (all editions).</p>f<p>The data source does not allow to distinguish citations to each volume.</p>g<p>While only the main editions are mentioned in the Table and References, citations to all editions were counted.</p>h<p>The corresponding (identical) journal article <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0061837#pone.0061837-Doll4" target="_blank">[337]</a> received 2369 citations.