Garcia, Luz Stella, Luis Eduardo Bravo, Paola Collazos, Oscar Ramirez, Edwin Carrascal, Marcela Nuñez, Nelson Portilla, and Erquinovaldo Millan. “Cali Cancer Registry Methods”. Colombia Medica 49, no. 1 (March 25, 2018): 109–120. Accessed January 15, 2025. https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/3853.