title: Effect of extracellular divalent cations and EGTA on action potential duration in heart [proceedings].
mesh_terms: D000200:Action Potentials / Q000187:drug effects*; D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D004533:Egtazic Acid / Q000494:pharmacology*; D005026:Ethylene Glycols / Q000494:pharmacology*; D006321:Heart / Q000187:drug effects* / Q000502:physiology; D006352:Heart Ventricles / Q000187:drug effects; D066298:In Vitro Techniques; D011893:Rana esculenta
chemical_list: D005026:Ethylene Glycols; D004533:Egtazic Acid; D002118:Calcium