Rodríguez-Ulloa, Claudia, and Marco Rivera-Jacinto. “Perception about Environmental Problems in Health Sciences Students from Cajamarca”. Revista Peruana de Medicina Experimental y Salud Pública 26, no. 1 (March 31, 2009). Accessed May 5, 2024. https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/1346.