title: [On the sodium-calcium competitive mechanism affecting myocardial contractility].
mesh_terms: D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D002415:Cats; D006321:Heart / Q000187:drug effects*; D009119:Muscle Contraction / Q000187:drug effects*; D012964:Sodium / Q000494:pharmacology*
chemical_list: D012964:Sodium; D002118:Calcium
vernacular_title: Consideraziones sobre el mecanismo competitivo sodio-calcio afectando la contractilidad miocárdica.