Ramírez-Soto, Max Carlos, Milagros Huichi-Atamari, Elsa Gladys Aguilar-Ancori, and Justo Darwin Pezo-Ochoa. 2011. “Seroprevalence of Viral Hepatitis B in University Students in Abancay, Peru”. Revista Peruana De Medicina Experimental Y Salud Pública 28 (3). https://doi.org/10.17843/rpmesp.2011.283.532.