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. 2014 Aug 9;14:71. doi: 10.1186/1472-6947-14-71

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Copyright © 2014 Blanc et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Flow diagram of publications evaluated for inclusion in bibliometric analysis¹and comparison of both search methods. ¹Adapted from the flow diagram in the PRISMA Statement.

²CMAJ: publications not available in full text for years 1996-1999, identified through PubMed Central.

³Search limited to years 1996-2010 due to technical reasons.