. 2011 Apr 13;4:60. doi: 10.1186/1756-3305-4-60
Copyright ©2011 Yadouleton 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.
Map of Benin showing the study sites.