The action of acetylcholine and epinephrine on the cellular membrane potentials and contractility of rat atrium.
D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D004837:Epinephrine / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects*; D006325:Heart Atria; D008564:Membrane Potentials; D009119:Muscle Contraction; D051381:Rats
D000109:Acetylcholine; D004837:Epinephrine
ACETYLCHOLINE/effects; EPINEPHRINE/effects; HEART/effect of drugs on