Symposium on beta adrenergic receptor blockade. An editorial introduction to the symposium.
D006321:Heart / Q000187:drug effects; D006329:Heart Conduction System / Q000187:drug effects; D006801:Humans; D013564:Sympathetic Nervous System / Q000187:drug effects*; D013565:Sympatholytics / Q000494:pharmacology*; D013566:Sympathomimetics / Q000494:pharmacology*
D013565:Sympatholytics; D013566:Sympathomimetics