A rare co-existence of helicobacter pylori, candida albicans and candida keyfr in a giant gastric ulcer - İnce, Ali Tüzün and Kocaman, Orhan and İsmailova, Medina and Tozlu, Mukaddes and Gücin, Zühal and İraz, Meryem (Turkish Journal of Gastroenterology, 2014)