Torres, Nancy, Ricardo Velásquez, Erik H. Mercado, Martha Egoavil, Gertrudis Horna, Lida Mejía, María E. Castillo, et al. “Antibiotic Resistance of Streptococcus Pneumoniae Among Healthy Nasopharyngeal Carriers in Seven Regions of Peru”. Revista Peruana de Medicina Experimental y Salud Pública 30, no. 4 (March 11, 2014). Accessed November 21, 2024. https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/235.