The interaction of oestrogen and progesterone on the vaginal cycle of the ewe.
D000818:Animals; D004958:Estradiol / Q000494:pharmacology*; D004967:Estrogens; D005260:Female; D006801:Humans; D011374:Progesterone / Q000494:pharmacology*; D012756:Sheep; D014621:Vagina / Q000187:drug effects*
D004967:Estrogens; D011374:Progesterone; D004958:Estradiol
ESTRADIOL/effects; PROGESTERONE/effects; VAGINA/effect of drugs on