title: Failure of development of fast Na+ channels during organ culture of young embryonic chick hearts.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002642:Chick Embryo; D005321:Extraembryonic Membranes; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D009924:Organ Culture Techniques; D012964:Sodium / Q000502:physiology*; D013779:Tetrodotoxin / Q000494:pharmacology; D013997:Time Factors
chemical_list: D013779:Tetrodotoxin; D012964:Sodium