title: Negative inotropic effect of sympathomimetic amines in rabbit atria.
mesh_terms: D000818:Animals; D003864:Depression, Chemical; D006325:Heart Atria / Q000187:drug effects; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology; D010646:Phentolamine / Q000494:pharmacology; D010656:Phenylephrine / Q000037:antagonists & inhibitors / Q000494:pharmacology; D011817:Rabbits; D013566:Sympathomimetics / Q000494:pharmacology*
chemical_list: D013566:Sympathomimetics; D010656:Phenylephrine; D009638:Norepinephrine; D010646:Phentolamine