J. Bravo-Zúñiga, R. Chávez-Gómez, J. Gálvez-Inga, M. Villavicencio-Carranza, J. Espejo-Sotelo, and M. Riveros-Aguilar, “Progression of chronic renal disease in a reference hospital of Social Security of Peru 2012-2015”, Rev Peru Med Exp Salud Publica, vol. 34, no. 2, pp. 209–17, Jun. 2017, doi: 10.17843/rpmesp.2017.342.2493.