R. Mattar, S. Nonogaki, C. Silva, V. Alves, and J. J. Gama-Rodrigues, “ P53 and Rb tumor suppressor gene alterations in gastric cancer ”, Rev. Hosp. Clín., vol. 59, no. 4, pp. 172–180, Jan. 2004, doi: 10.1590/S0041-87812004000400004.