Effect of acetylcholine and quinidine on atrial cellular potentials.
D000109:Acetylcholine / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects*; D006325:Heart Atria; D006801:Humans; D011802:Quinidine / Q000494:pharmacology*
D011802:Quinidine; D000109:Acetylcholine
ACETYLCHOLINE/effects; HEART/effect of drugs on; QUINIDINE/effects