A rare combination of intestinal invagination and Meckel’s diverticulum in an adult: A case report - CİTGEZ, Bülent; YETKİN, Gürkan; ULUDAĞ, Mehmet; KARAKOÇ, Sinan; AKGÜN, İsmail; KARTAL, Abdülcabbar (Turkish Journal of Gastroenterology, 2012)