The action of procaine and procaine amide on the heart.
D006321:Heart / Q000187:drug effects*; D011342:Procainamide / Q000494:pharmacology*; D011343:Procaine / Q000494:pharmacology*
D011343:Procaine; D011342:Procainamide
HEART/effect of drugs on; PROCAINE AMIDE/effects; PROCAINE/effects