Conde, Luis H., Alvaro Rueda, Beatriz Gracia, Angela Hormaza, and Juan Carlos Agudelo. “ Colombia”. Colombia Medica 34, no. 2 (November 9, 2003): 69–76. Accessed April 20, 2024. https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/256.