BRAVO, S. A. G.; SANCHEZ, A. A. C.; SULVARAN, M. O.; CAOS, I. C.; ALONSO, E. C.; OCHOA, S. S. V.; CHAVEZ, G. A.; JAIMES , M. A. P. A biliary dilemma resolved by endoscopy: Lemmel syndrome as a cause of non-lithiasic acute obstructive cholangitis . International Surgery Journal, [S. l.], v. 13, n. 4, p. 650–652, 2026. DOI: 10.18203/2349-2902.isj20260854. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/11880. Acesso em: 16 apr. 2026.