ANTONYRAJAN, S. S. Role of preoperative upper gastrointestinal endoscopy in patients with symptomatic cholelithiasis: a prospective study. International Surgery Journal, [S. l.], v. 13, n. 9, p. 1666–1673, 2026. DOI: 10.18203/2349-2902.isj20262993. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/12269. Acesso em: 27 aug. 2026.