. 2013 Jun 11;9:40. doi: 10.1186/1746-4269-9-40
Copyright © 2013 Saynes-Vásquez et al.; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Location of study sites in Oaxaca, Mexico.