plasma levels of fsh , lh , prolactin ( prl ) , estrone ( e1 ) , estradiol ( e2 ) , 17-hydroxyprogesterone ( 17-p ) , 20 alpha-dihydroprogesterone ( 20 alpha-p ) , progesterone ( p ) were determined simultaneously using specific radioimmunoassays .
C0020387
17-hydroxyprogesterone
C0033308
progesterone