Colovesical fistula as a complication of colonic diverticulosis: diagnosis with virtual colonoscopy - NADİR, Işılay; ÖZİN, Yasemin; KILIÇ, Zeki Mesut Yalın; OĞUZ, Dilek; ÜLKER, Aysel; ARDA, Kemal (Turkish Journal of Gastroenterology, 2011)