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Williams R, Krkošek M, Ashe E, Branch TA, Clark S, Hammond PS, Hoyt E, Noren DP, Rosen D, Winship A.Williams R, et al. Among authors: branch ta.PLoS One. 2011;6(11):e26738. doi: 10.1371/journal.pone.0026738. Epub 2011 Nov 9.PLoS One. 2011.PMID: 22096495Free PMC article.