title: [Effect of calcium, sodium and potassium ions on the contractibility of the myocardium].
mesh_terms: D000818:Animals; D002118:Calcium / Q000502:physiology; D004285:Dogs; D004594:Electrophysiology; D006321:Heart / Q000187:drug effects*; D011188:Potassium / Q000502:physiology; D012964:Sodium / Q000502:physiology
chemical_list: D012964:Sodium; D011188:Potassium; D002118:Calcium
vernacular_title: Wpływ jonów wapnia potasu i sodu na kurczliwość mieśnia sercowego.