Effect of acetylcholine and adenosine on cardiac cellular potentials.
D000109:Acetylcholine / Q000494:pharmacology*; D000241:Adenosine / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects*; D006801:Humans
D000241:Adenosine; D000109:Acetylcholine
ACETYLCHOLINE/effects; ADENOSINE/effects; HEART/effect of drugs on