Camacho, D. E., Y. Rengifo, H. Hurtado, and T. Collazos. “Incidencia De Carcinoma Gástrico En Cali”. Colombia Médica, Vol. 26, no. 4, 1, pp. 146-9, https://colombiamedica.univalle.edu.co/colombiamedica311/index.php/comedica/article/view/1766.