title: Effect of hydrazine on bullfrog heart muscles in the excess potassium solution.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001001:Anura; D002118:Calcium / Q000494:pharmacology; D002413:Cations, Divalent; D002414:Cations, Monovalent; D002463:Cell Membrane Permeability / Q000187:drug effects; D004837:Epinephrine / Q000494:pharmacology; D006321:Heart / Q000187:drug effects*; D006834:Hydrazines / Q000494:pharmacology*; D066298:In Vitro Techniques; D010042:Ouabain / Q000494:pharmacology; D011188:Potassium / Q000494:pharmacology*; D011892:Rana catesbeiana
chemical_list: D002413:Cations, Divalent; D002414:Cations, Monovalent; D006834:Hydrazines; D010042:Ouabain; D011188:Potassium; D002118:Calcium; D004837:Epinephrine