RT Journal Article SR Electronic T1 THE BRADYCARDIA CAUSED BY SYMPATHOMIMETIC DRUGS JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 428 OP 431 VO 49 IS 4 A1 LAWRENCE TERRY A1 HOWARD C. PETERS YR 1933 UL http://jpet.aspetjournals.org/content/49/4/428.abstract AB