Effect of autonomic drugs on contractures of cardiac muscle.
D000109:Acetylcholine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D000818:Animals; D001001:Anura; D001285:Atropine / Q000494:pharmacology; D002118:Calcium / Q000378:metabolism; D002463:Cell Membrane Permeability; D004837:Epinephrine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects*; D066298:In Vitro Techniques; D008564:Membrane Potentials; D009119:Muscle Contraction / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology*; D011188:Potassium / Q000378:metabolism; D011433:Propranolol / Q000494:pharmacology
D001285:Atropine; D011433:Propranolol; D000109:Acetylcholine; D011188:Potassium; D002118:Calcium; D009638:Norepinephrine; D004837:Epinephrine