Pyloric giant Brunner’s gland hamartoma as a cause of both duodenojejunal intussusception and obscure gastrointestinal bleeding - BAYAN, Kadim; TÜZÜN, Yekta; YILMAZ, Şerif; YILMAZ, Gülşen; BİLİCİ, Aslan (Turkish Journal of Gastroenterology, 2009)