Placental morphology of rats prenatally exposed to methyl parathion - Levario-Carrillo, Margarita; Olave, María Elena; Corral, Dora Chávez; Alderete, Jaime Gutiérrez; Gagioti, Sonia María; Bevilacqua, Estela Maris Andrade Forell (Experimental and Toxicologic Pathology, 2004)