FONSECA BARRAGÁN , José Vicente; BAUTISTA ARANA , Mirtha Marisol; MEDINA GUEVARA, Lucia Mayte; VALDIVIESO ESTUPIÑÁN, Patricia Jordana; GUDIÑO JUSTICIA , Carlos Steewarth; RUILOVA BLACIO , Juan Carlos; MORILLO TRUJILLO , Jhonatan Francisco. Step by step of a cholecystectomy with open biliary exploration plus duodenotomy for resolution of a gallstone impacted in the ampulla of Vater after failed endoscopic retrograde pancreatography cholangio (ERCP). SAP Multidisciplinary Open, [S. l.], v. 3, p. 111, 2025. DOI: 10.62486/mo2025111. Disponível em: https://mo.southam.pub/index.php/mo/article/view/111.. Acesso em: 20 sep. 2026.