Belteton Martinez, Wilfredo Roberto, Carlos Hernández-Ávila, Elías Argueta, Susana Suárez Tamayo, and Manuel Romero Pláceres. “Presence of Organochlorine Pesticides in Human Blood, El Salvador”. Alerta, Revista científica del Instituto Nacional de Salud 3, no. 2 (July 29, 2020): 122–128. Accessed December 6, 2025. https://camjol.info/index.php/alerta/article/view/9034.