title: The recovery of spermatozoa from the reproductive tract of the spayed ewe treated with progesterone and oestrogen.
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D002369:Castration; D002584:Cervix Uteri; D004967:Estrogens / Q000494:pharmacology*; D004971:Estrus; D005187:Fallopian Tubes; D005260:Female; D007315:Insemination, Artificial; D008297:Male; D011247:Pregnancy; D011374:Progesterone / Q000494:pharmacology*; D012756:Sheep / Q000502:physiology*; D013094:Spermatozoa; D013997:Time Factors; D014599:Uterus; D014621:Vagina
chemical_list: D004967:Estrogens; D011374:Progesterone