title: Specificity of beta-receptor antagonists.
mesh_terms: D000109:Acetylcholine / Q000037:antagonists & inhibitors; D000818:Animals; D004336:Drug Antagonism; D004837:Epinephrine / Q000037:antagonists & inhibitors; D004983:Ethanolamines / Q000494:pharmacology; D006168:Guinea Pigs; D006325:Heart Atria / Q000187:drug effects; D006633:Histamine Antagonists; D007082:Ileum / Q000187:drug effects; D011342:Procainamide / Q000494:pharmacology; D011433:Propranolol / Q000494:pharmacology; D011817:Rabbits; D011955:Receptors, Drug
chemical_list: D004983:Ethanolamines; D006633:Histamine Antagonists; D011955:Receptors, Drug; D011433:Propranolol; D011342:Procainamide; D000109:Acetylcholine; D004837:Epinephrine