Roberto Garibay-Orijel*, Amaranta Ramírez-Terrazo and Marisa Ordaz-Velázquez
* Corresponding author: Roberto Garibay-Orijel rgaribay@ibunam2.ibiologia.unam.mx
Journal of Ethnobiology and Ethnomedicine 2012, 8:25 doi:10.1186/1746-4269-8-25
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