RT Journal Article T1 Sigmoid Gallstone Ileus. A1 Durán, Manuel A1 Naranjo, Álvaro A1 Briceño, Javier YR 2019 FD 2019-01-30 LK http://hdl.handle.net/10668/13501 UL http://hdl.handle.net/10668/13501 LA en DS RISalud RD May 12, 2025