two weeks later , rats were treated for 5 days with estradiol benzoate ( e , 5 micrograms/kg ) , progesterone ( p , 10 mg/kg ) , e + p ( 5 micrograms e + 10 mg/kg ) or corn oil , after which time they were killed for determination of hypothalamic lhrh content .
C0020663
hypothalamic
C0023610
lhrh