Beltetón Martínez WR, Argueta Hidalgo JE. Implementation of methodology for the determination of organochlorine pesticides in human blood. Alerta (San Salvador) [Internet]. 2019 Mar. 13 [cited 2025 Apr. 6];2(1):66-70. Available from: https://camjol.info/index.php/alerta/article/view/7537