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Maddux SD, Franciscus RG.Maddux SD, et al. Among authors: franciscus rg.J Hum Evol. 2009 Feb;56(2):161-74. doi: 10.1016/j.jhevol.2008.10.003. Epub 2008 Dec 31.J Hum Evol. 2009.PMID: 19118866
Laird MF, Holton NE, Scott JE, Franciscus RG, Marshall SD, Southard TE.Laird MF, et al. Among authors: franciscus rg.Am J Phys Anthropol. 2016 Oct;161(2):226-36. doi: 10.1002/ajpa.23020. Epub 2016 Jun 27.Am J Phys Anthropol. 2016.PMID: 27346254