title: Studies on the myocardial depressant effect of KL 255: a beta adrenergic receptor antagonist.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000605:Amino Alcohols / Q000494:pharmacology*; D000818:Animals; D000889:Anti-Arrhythmia Agents / Q000494:pharmacology*; D016275:Atrial Function; D001794:Blood Pressure / Q000187:drug effects; D003331:Coronary Vessels / Q000187:drug effects; D004336:Drug Antagonism; D006145:Guanethidine / Q000494:pharmacology; D006339:Heart Rate / Q000187:drug effects; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000037:antagonists & inhibitors*; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009206:Myocardium; D051381:Rats; D013565:Sympatholytics / Q000494:pharmacology*
chemical_list: D000319:Adrenergic beta-Antagonists; D000605:Amino Alcohols; D000889:Anti-Arrhythmia Agents; D013565:Sympatholytics; D007545:Isoproterenol; D006145:Guanethidine