
Keywords: DMBA; 7,12-dimethylbenz[a]anthracene; 8-OHdG; rat 8-hydroxy desoxyguanosine; ErbB-2; rat receptor tyrosine-protein kinase; MDA; lipid peroxide (malonaldehyde); Bcl-2; breast cancer genes 1 and 2; ROS; reactive oxygen species; TAM; Tamoxifen; TEM; transmis