J. Muench, K. Hoffman, J. Ponce, M. Calderón, R. T. Meenan, and F. Fiestas, “Primary care in the USA and the peruvian experience in perspective”, Rev Peru Med Exp Salud Publica, vol. 30, no. 2, Feb. 2014, doi: 10.17843/rpmesp.2013.302.208.