Ferrer Dufol, Ana, Santiago Nogué Xarau, Francisco Vargas Marcos, Olivia Castillo Soria, Pilar Gascó Alberich, Ana de la Torre Reoyo, and Eduardo de la Peña de Torres. “Health Environmental Risks Surveillance Systems: Toxicological Surveillance”. Spanish Journal of Environmental Health 4, no. 1-2 (December 1, 2004): 69–72. Accessed November 10, 2026. https://ojs.diffundit.com/index.php/rsa/article/view/353.