E. Sánchez, Sixto, Miguel Carrión, Elga Samatelo, Rosario Rodríguez-Zubiate, and Margarita Rodríguez. 2009. “Coverage of Health Insurance in Relation With Medical Services Use, Living Conditions and Perceived Health in Lima, Peru”. Revista Peruana De Medicina Experimental Y Salud Pública 26 (2). https://doi.org/10.17843/rpmesp.2009.262.1351.