Mayta-Tristán, P., Poterico, J. A., Galán-Rodas, E., & Raa-Ortiz, D. (2015). Is there unjust equity? for the elimination of the mandatory serums program (rural and urban margin health care service). Revista Peruana De Medicina Experimental Y Salud Pública, 32(1), 195. https://doi.org/10.17843/rpmesp.2015.321.1597