Object:The effect of tamoxifen (TAM) was evaluated on a mammary tumor model induced by 7.12-dimethylbenz(a)anthracene (DMBA) in the female Sprague-Dawley(SD) rats.

• 应用DMBA诱发的雌性SD大鼠乳腺癌模型，初步探讨了大鼠乳腺受致癌剂作用后，三苯氧胺对乳腺癌发生的影响。