Sezai DEMİRBAŞ, et al. “Influence of the C-Erb B-2, nm23, Bcl-2 and p53 Protein Markers on Colorectal Cancer”. Turkish Journal of Gastroenterology, vol. 17, no. 1, July 2019, pp. 13-19, https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/2010.