title: The effect of beta-adrenergic blocking drugs on myocardial function: an explanation at the subcellular level.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000818:Animals; D002118:Calcium / Q000378:metabolism; D004285:Dogs; D006321:Heart / Q000187:drug effects*; D006801:Humans; D008861:Microsomes / Q000378:metabolism; D010210:Papillary Muscles / Q000187:drug effects; D013565:Sympatholytics / Q000494:pharmacology*
chemical_list: D000319:Adrenergic beta-Antagonists; D013565:Sympatholytics; D002118:Calcium