akbari, zahra; Safari-Alighiarloo, N.; Yaghoob Taleghani, M.; Mirfakhar, F. S.; Asadzadeh Aghdaei, H. Polymorphism of SMAD7 Gene (rs2337104) and Risk of Colorectal Cancer in an Iranian Population: A Case-Control Study. Gastroenterol Hepatol Bed Bench 2014, 7, Gastroenterol Hepatol Bed Bench 2014;7(4):198-205.