[Cardiac action of crystalline tetrodotoxin. 2. Effects of various drugs].
D000818:Animals; D001337:Autonomic Agents / Q000494:pharmacology; D004837:Epinephrine / Q000494:pharmacology; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D066298:In Vitro Techniques; D013779:Tetrodotoxin / Q000494:pharmacology; D014118:Toxins, Biological / Q000494:pharmacology*
D001337:Autonomic Agents; D014118:Toxins, Biological; D013779:Tetrodotoxin; D004837:Epinephrine