title: Aminophylline-induced contractions of rabbit ear artery in high-K+ Ca2+-free medium.
mesh_terms: D000628:Aminophylline / Q000494:pharmacology*; D000818:Animals; D002118:Calcium / Q000502:physiology*; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009131:Muscle, Smooth, Vascular / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology; D011188:Potassium / Q000502:physiology*; D011817:Rabbits
chemical_list: D000628:Aminophylline; D011188:Potassium; D002118:Calcium; D009638:Norepinephrine