Decision for surgery in the management of a rare condition, childhood gallbladder polyps, and the role of ultrasonography - BAYRAM KABAÇAM, Gülşah; AKBIYIK, Fatih; LİVANELİOĞLU, Ziya and TİRYAKİ, H. Tuğrul and; KUŞ, Esra and; ÇAM, Gökhan (Turkish Journal of Gastroenterology, 2013)