title: Mechanism of stimulant effect of acetylcholine in isolated frog heart.
mesh_terms: D000109:Acetylcholine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D000818:Animals; D001001:Anura; D001285:Atropine; D004357:Drug Synergism; D006321:Heart / Q000187:drug effects*; D006584:Hexamethonium Compounds / Q000494:pharmacology; D007545:Isoproterenol / Q000494:pharmacology; D009538:Nicotine / Q000494:pharmacology; D009638:Norepinephrine / Q000378:metabolism / Q000494:pharmacology; D012110:Reserpine / Q000494:pharmacology; D013268:Stimulation, Chemical
chemical_list: D006584:Hexamethonium Compounds; D009538:Nicotine; D001285:Atropine; D012110:Reserpine; D007545:Isoproterenol; D000109:Acetylcholine; D009638:Norepinephrine