Estrella, Laura, Carlos Castañeda, Juvenal Sánchez, and Mayer Zaharia. “New Version of the Declaration of Helsinki: Shortcomings to Resolve”. Revista Peruana de Medicina Experimental y Salud Pública 31, no. 4 (December 2, 2014). Accessed May 4, 2024. https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/139.