title: The effect of treatment with a progesterone releasing intravaginal device on the fertility of spring calving Friesian dairy cows.
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D005260:Female; D005298:Fertility / Q000187:drug effects*; D005306:Fertilization; D007315:Insemination, Artificial / Q000662:veterinary; D008892:Milk / Q000032:analysis; D011247:Pregnancy; D011374:Progesterone / Q000008:administration & dosage / Q000032:analysis / Q000494:pharmacology*; D012621:Seasons; D014621:Vagina
chemical_list: D011374:Progesterone