Alpízar-Alpízar, W., Sierra, R., Cuenca, P., Une, C., Mena, F. and Pérez-Pérez, G.I. 2005. Association of the p53 codon 72 polymorphism to gastric cancer risk in a hight risk population of Costa Rica. Revista de Biología Tropical. 53, 3-4 (Dec. 2005), 317–324. DOI:https://doi.org/10.15517/rbt.v53i3-4.14406.