Goldberg, Marcia B., Rodrigo Guerrero V, and Álvaro Muñoz. “ Un Estudio De Casos Y Controles”. Colombia Medica 15, no. 4 (August 15, 2016): 156–160. Accessed March 28, 2024. https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/2500.