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Science 10 July 2009:
Vol. 325. no. 5937, p. 148
DOI: 10.1126/science.1168182
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Technical Comments

Comment on "DNA from Pre-Clovis Human Coprolites in Oregon, North America"

Hendrik Poinar*,1, Stuart Fiedel2, Christine E. King1, Alison M. Devault1, Kirsti Bos1, Melanie Kuch1 and Regis Debruyne1

1 McMaster Ancient DNA Centre, Department of Anthropology, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4L9 Canada.
2 Louis Berger Group, 801 East Main Street, Suite 500, Richmond, VA 23219, USA.


Figure 1
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  		Fig. 1. Overview of the four main DNA experiments in Gilbert et al. Blue arrows, experiments we deem necessary; red arrows, actual experiments performed; black arrows, common pathways between both; white arrows, possible but unobserved outcomes.

 

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