title: The negative inotropic effect of adrenergic betareceptor blocking drugs on human heart muscle.
mesh_terms: D000319:Adrenergic beta-Antagonists; D000818:Animals; D004285:Dogs; D004558:Electric Stimulation; D005260:Female; D006321:Heart / Q000187:drug effects*; D006325:Heart Atria / Q000187:drug effects; D006801:Humans; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000037:antagonists & inhibitors; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D010210:Papillary Muscles / Q000187:drug effects; D011433:Propranolol / Q000494:pharmacology*; D012110:Reserpine / Q000494:pharmacology; D013565:Sympatholytics / Q000494:pharmacology*
chemical_list: D000319:Adrenergic beta-Antagonists; D013565:Sympatholytics; D012110:Reserpine; D011433:Propranolol; D007545:Isoproterenol