title: Effect of oxytocin and adrenergic drugs of bovine reproduction. I. Oestrous cycle lengths and peripheral blood progesterone.
mesh_terms: D000818:Animals; D002417:Cattle; D002849:Chromatography, Gas; D003864:Depression, Chemical; D004971:Estrus / Q000187:drug effects*; D005260:Female; D007545:Isoproterenol / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology*; D010121:Oxytocin / Q000037:antagonists & inhibitors* / Q000494:pharmacology; D011247:Pregnancy; D011374:Progesterone / Q000097:blood*; D013997:Time Factors
chemical_list: D011374:Progesterone; D010121:Oxytocin; D007545:Isoproterenol; D009638:Norepinephrine