hojattollah rezaei, M. Motovali-bashi, K. Khodadad, A. Elahi, H. Emami, and H. Naddaffnia, “Relationship between XPD Lys 751 Gln Polymorphism and Colorectal Cancer Risk: A Case-Control Study in a Population-based Study”, Gastroenterol Hepatol Bed Bench, vol. 6, no. 1, pp. Gastroenterol Hepatol Bed Bench 2013;6(1):18–24, Jan. 2013.