TAFUR CALDERÓN, L. A. Prevalence studies. Colombia Medica, [S. l.], v. 18, n. 4, p. 183–186, 1987. DOI: 10.25100/cm.v18i4.6185. Disponível em: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/6185. Acesso em: 24 nov. 2024.