Enfermedad obstructiva del tracto biliar. Colombia Medica, [S. l.], v. 15, n. 2, p. 69–74, 1984. DOI: 10.25100/cm.v15i.2.2485. Disponível em: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/2485. Acesso em: 12 jan. 2026.