Evaluation of serum ghrelin levels in patients with hyperplastic gastric polyps - Ersoy, Osman; ERSOY, Reyhan; Akın, Ebru; Demirezer Bolat, Aylin; Büyükaşık, Şemnur; Selvi, Eyüp; ÇAKIR, Bekir (Turkish Journal of Gastroenterology, 2012)