The influence of quinidine and procaine amide on myocardial contractility in vivo.
D006801:Humans; D009206:Myocardium; D011342:Procainamide / Q000494:pharmacology*; D011802:Quinidine / Q000494:pharmacology*
D011802:Quinidine; D011342:Procainamide
PROCAINE AMIDE/pharmacology; QUINIDINE/pharmacology