concentrations of progesterone ( p ) , 20 alpha-dihydroprogesterone ( 20p ) , 17-hydroxyprogesterone ( 17p ) , androstenedione ( a ) , estrone ( e1 ) estradiol ( e2 ) in endometrium and peripheral blood taken simultaneously from normally menstruating women in the course of hysterectomy were determined by radioimmunological assay .
C0033308
progesterone
C0020387
17-hydroxyprogesterone