title: Shortening effect of tetrodotoxin on action potentials of the conducting system in the dog heart [proceedings].
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D004285:Dogs; D006321:Heart / Q000187:drug effects; D006329:Heart Conduction System / Q000187:drug effects / Q000502:physiology*; D066298:In Vitro Techniques; D013779:Tetrodotoxin / Q000494:pharmacology*
chemical_list: D013779:Tetrodotoxin