Investigations on spermicidal activity in the sheep vagina.
D000818:Animals; D002369:Castration; D004958:Estradiol / Q000494:pharmacology; D004971:Estrus; D005260:Female; D007315:Insemination, Artificial; D008297:Male; D008525:Medroxyprogesterone / Q000494:pharmacology*; D010053:Ovary / Q000502:physiology; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology*; D045167:Progesterone Congeners / Q000494:pharmacology*; D012756:Sheep; D013094:Spermatozoa / Q000187:drug effects*; D013268:Stimulation, Chemical; D014621:Vagina
D045167:Progesterone Congeners; D011374:Progesterone; D004958:Estradiol; D008525:Medroxyprogesterone