title: Voltage-dependent action of tetrodotoxin in mammalian cardiac muscle.
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D004553:Electric Conductivity; D006168:Guinea Pigs; D008564:Membrane Potentials; D010210:Papillary Muscles / Q000187:drug effects* / Q000502:physiology; D011955:Receptors, Drug; D012964:Sodium / Q000378:metabolism; D013779:Tetrodotoxin / Q000378:metabolism / Q000494:pharmacology*
chemical_list: D011955:Receptors, Drug; D013779:Tetrodotoxin; D012964:Sodium