Effects of acetylcholine and epinephrine on the contractile strength and action potential of electrically driven guinea pig atria.
D000109:Acetylcholine / Q000494:pharmacology*; D000200:Action Potentials; D004837:Epinephrine / Q000494:pharmacology*; D006168:Guinea Pigs; D006321:Heart / Q000494:pharmacology*; D006325:Heart Atria; D009119:Muscle Contraction
D000109:Acetylcholine; D004837:Epinephrine
ACETYLCHOLINE/pharmacology; EPINEPHRINE/pharmacology; HEART/pharmacology