title: [Effect of tetrodotoxin on the electrical and mechanical activity of a rhythmically operating heart].
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001001:Anura; D004558:Electric Stimulation; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D006352:Heart Ventricles; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D010507:Periodicity; D011898:Ranidae; D013779:Tetrodotoxin / Q000494:pharmacology*
chemical_list: D013779:Tetrodotoxin
vernacular_title: K deĭstviiu tetrodotoksina na élektricheskuiu i mekhanicheskuiu aktivnost' ritmicheski rabotaiushchego miokarda.