AKSAKAL, G.; WONG, E. Acute acalculous cholecystitis as a rare cause of gastric outlet obstruction. International Surgery Journal, [S. l.], v. 10, n. 2, p. 283–284, 2023. DOI: 10.18203/2349-2902.isj20230033. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/9306. Acesso em: 3 oct. 2025.