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Benson RB, Mannion PD.Benson RB, et al. Among authors: mannion pd.Biol Lett. 2012 Feb 23;8(1):127-30. doi: 10.1098/rsbl.2011.0460. Epub 2011 Jun 22.Biol Lett. 2012.PMID: 21697163Free PMC article.