immunofluorescent analyses of e receptor ( er ) and pr were performed on fresh frozen cryostat sections ( 6 microns ) of uterine tissue from ovariectomized ( 3 months ) and estradiol ( e2 ) -treated ( peak level of e2 during an artificial menstrual cycle ) rhesus monkeys .
C0042149
uterine
C0025329
menstrual cycle