title: The inhibitory effect of sodium on the contraction of frog's heart perfused with sucrose solution.
mesh_terms: D000200:Action Potentials; D000255:Adenosine Triphosphate / Q000494:pharmacology; D000818:Animals; D001001:Anura; D003864:Depression, Chemical; D011756:Diphosphates / Q000494:pharmacology; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D066298:In Vitro Techniques; D007552:Isotonic Solutions; D009119:Muscle Contraction / Q000187:drug effects*; D010477:Perfusion; D012964:Sodium / Q000494:pharmacology*; D012965:Sodium Chloride; D013395:Sucrose / Q000494:pharmacology
chemical_list: D011756:Diphosphates; D007552:Isotonic Solutions; D012965:Sodium Chloride; D013395:Sucrose; D000255:Adenosine Triphosphate; D012964:Sodium