title: The action of practolol on the isolated rat atrium.
mesh_terms: D000318:Adrenergic beta-Agonists / Q000494:pharmacology; D000818:Animals; D004558:Electric Stimulation; D005260:Female; D006321:Heart / Q000187:drug effects*; D006329:Heart Conduction System / Q000187:drug effects; D007545:Isoproterenol / Q000494:pharmacology; D009119:Muscle Contraction / Q000187:drug effects*; D051381:Rats; D013997:Time Factors
chemical_list: D000318:Adrenergic beta-Agonists; D007545:Isoproterenol