title: Tetrodotoxin block of cardiac sodium channels during repetitive or steady depolarizations in the rabbit [proceedings].
mesh_terms: D000818:Animals; D006329:Heart Conduction System / Q000502:physiology*; D066298:In Vitro Techniques; D007473:Ion Channels / Q000502:physiology*; D011690:Purkinje Fibers / Q000502:physiology*; D011817:Rabbits; D012964:Sodium / Q000378:metabolism*; D013779:Tetrodotoxin / Q000494:pharmacology*
chemical_list: D007473:Ion Channels; D013779:Tetrodotoxin; D012964:Sodium