the characteristics and transfer of human uterine progestin receptors from cytosol to nucleus were studied in a cell-free system using [ 3h ] progesterone ( [ 3h ] p ) , [ 3h ] norethindrone ( [ 3h ] net ) , and [ 3h ] norethindrone acetate ( [ 3h ] neta ) as progestin receptor tags .
C0028356
norethindrone
C0068980
norethindrone acetate