In PLoS Medicine, volume 3, issue 6: DOI: 10.1371/journal.pmed.0030130
Table 2 should have included the following information about the CMAJ (Canadian Medical Association Journal): frequency of publication, twice a month; circulation, 70,000; cost of one-time full-page four-color advertisement, US$4,414 (CAD$4,900); cost per thousand readers exposed, US$63 (CAD$70).
Citation: Fugh-Berman A, Alladin K, Chow J (2006) Correction: Advertising in Medical Journals: Should Current Practices Change? PLoS Med 3(7): e303. https://doi.org/10.1371/journal.pmed.0030303
Published: July 11, 2006
This is an open-access article distributed under the terms of the Creative Commons Public Domain Declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.