Multifocal intestinal stromal tumors with jejunal perforation and intra-abdominal abscess: Report of a case - KARAGÜLLE, Erdal; TÜRK, Emin; YILDIRIM, Erkan; GÖKTÜRK, H. Savaş; KIYICI, Halil; MORAY, Gökhan (Turkish Journal of Gastroenterology, 2008)