Fernandez-Luque, J.L., Maurtua-Mamani, P., Estrella-Quito, S. and Grández-Urbina, J.A. 2018. HOW DO I CHECK THE RESULT OF VACCINATION AGAINST VIRAL HEPATITIS B IN PERU?, A RESEARCH STUDY TO MAKE. Revista de la Facultad de Medicina Humana. 18, 2 (Apr. 2018).