Ruiz-Maza, Juan C., Armando M. Pezo-Pezo, and Renato A. Soto-Azpilcueta. 2018. “Scientific Production Based on Five National Surveys in Peru”. Revista Peruana De Medicina Experimental Y Salud Pública 35 (1): 166-7. https://doi.org/10.17843/rpmesp.2018.351.3554.