ECHAVARRÍA, H. R. Endoscopic colon polypectomy: experience at the Hospital Universitario del Valle. Colombia Medica, [S. l.], v. 18, n. 2, p. 62–64, 1987. DOI: 10.25100/cm.v18i2.6156. Disponível em: https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/6156. Acesso em: 22 nov. 2024.