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. 2012 Mar 7;7(3):e33339. doi: 10.1371/journal.pone.0033339

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Wallace et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Distribution of A) and B) (B) for all papers published in 1985 in the disciplines selected. The normalized distribution is computed using a logarithmic binning scheme and the values of the y-intercepts (number of articles which don't cite any level-1 or level-2 co-authors) are listed in each figure.

Inline graphic — Distribution of A) and B) (B) for all papers published in 1985 in the disciplines selected. The normalized distribution is computed using a logarithmic binning scheme and the values of the y-intercepts (number of articles which don't cite any level-1 or level-2 co-authors) are listed in each figure.