three clones , t 47d-5-13 , t 47d-5-21 , and t 47d-5-23 , were further characterized by measuring the concentrations of receptors for estrogen , progesterone , growth hormone , and epidermal growth factor and responses to estradiol , tamoxifen , and progestin , in terms of both induction of specific proteins and effects on cellular proliferation .
C0033308
progesterone
C0033306
progestin