Daniel Mota- Rojas, Maria Elena Trujillo-Ortega, Dina Villanueva- Garcia, Miguel Gonzalez- Lozano, Hector Orozco-Gregorio, Ramiro Ramirez-Necoechea, Adriana Olmos- Hernandez and Maria Alonso-Spilsbury
Journal of Medical Sciences 6 ( 6 ): 884 - 893 , 2006