title: [Action of media deficient in Ca and Mg ions on the electrical and mechanical activity of isolated rat and guinea pig hearts].
mesh_terms: D000818:Animals; D002118:Calcium / Q000172:deficiency*; D002128:Calcium Metabolism Disorders; D006168:Guinea Pigs; D006321:Heart / Q000502:physiology*; D007477:Ions; D008274:Magnesium; D008275:Magnesium Deficiency; D051381:Rats
chemical_list: D007477:Ions; D008274:Magnesium; D002118:Calcium
keywords: CALCIUM/deficiency; HEART/physiology; MAGNESIUM/deficiency