title: The effect of practolol, atropine and phenoxybenzamine on contractile force of isolated rat atria at threshold and suprathreshold stimulation.
mesh_terms: D000818:Animals; D001285:Atropine / Q000494:pharmacology*; D004558:Electric Stimulation; D005260:Female; D006325:Heart Atria / Q000187:drug effects; D006329:Heart Conduction System / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects*; D009924:Organ Culture Techniques; D010643:Phenoxybenzamine / Q000494:pharmacology*; D011217:Practolol / Q000494:pharmacology*; D051381:Rats; D013268:Stimulation, Chemical
chemical_list: D010643:Phenoxybenzamine; D001285:Atropine; D011217:Practolol