title: Action of sympathomimetics on teat motility in lactating cows.
mesh_terms: D000818:Animals; D002417:Cattle; D004837:Epinephrine / Q000494:pharmacology; D005260:Female; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D007774:Lactation; D008321:Mammary Glands, Animal / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects; D009638:Norepinephrine / Q000494:pharmacology; D010656:Phenylephrine / Q000494:pharmacology; D011247:Pregnancy; D013566:Sympathomimetics / Q000494:pharmacology*
chemical_list: D013566:Sympathomimetics; D010656:Phenylephrine; D007545:Isoproterenol; D009638:Norepinephrine; D004837:Epinephrine