Unique journey of a fallen gall stone leading to gastrointestinal, biliary and intraperitoneal haemorrhage: The first case in the literature - Kızılkaya, Mehmet Celal; Erözgen, Fazilet; Kocakuşak, Ahmet; Tatar, Cihad; Kaplan, Rafet (Turkish Journal of Gastroenterology, 2014)