Carrillo-Larco, Rodrigo M., and Walter H. Curioso. “QR Code Opportunities to Spread Health-Related Information”. Revista Peruana de Medicina Experimental y Salud Pública 30, no. 2 (February 11, 2014). Accessed May 2, 2024. https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/228.