Authors: Salvador Sánchez de la Peña; Robert B Sothern; Fernando Santillán López; Irene Mendoza Lujambio; José Waizel-Bucay; Carolina Olarte Sánchez; Claudia Pérez Monroy; Eduardo Tena Betancourt Journal: Pharmacogn Mag Date: 2011-07 Impact factor: 1.085