Assessment of arsenic and fluorine in surface soil to determine environmental and health risk factors in the Comarca Lagunera, Mexico. - Sariñana-Ruiz YA; Vazquez-Arenas J; Sosa-Rodríguez FS; Labastida I; Armienta MA; Aragón-Piña A; Escobedo-Bretado MA; González-Valdez LS; Ponce-Peña P; Ramírez-Aldaba H; Lara RH (Chemosphere, 2017)