Authors: María D Ortiz-Pérez; Arturo Torres-Dosal; Lilia E Batres; Olga D López-Guzmán; M Grimaldo; C Carranza; Iván N Pérez-Maldonado; Flavio Martínez; José Pérez-Urizar; Fernando Díaz-Barriga Journal: Environ Health Perspect Date: 2005-06 Impact factor: 9.031