title: Action potentials of bullfrog's ventricular muscles in the sodium-free hydrazine solution.
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D001001:Anura; D006321:Heart / Q000187:drug effects*; D006352:Heart Ventricles / Q000187:drug effects; D006834:Hydrazines / Q000494:pharmacology*; D066298:In Vitro Techniques; D008345:Manganese / Q000494:pharmacology; D011892:Rana catesbeiana; D013395:Sucrose / Q000494:pharmacology; D013779:Tetrodotoxin / Q000494:pharmacology
chemical_list: D006834:Hydrazines; D008345:Manganese; D013779:Tetrodotoxin; D013395:Sucrose