Sezai DEMİRBAŞ; İlker SÜCÜLLÜ; Şükrü YILDIRIM; Tuncay ÇELENK. Influence of the C-Erb B-2, nm23, Bcl-2 and p53 Protein Markers on Colorectal Cancer. Turkish Journal of Gastroenterology 2019, 17, 13-19.