Perspectives on calcium.
D001145:Arrhythmias, Cardiac / Q000209:etiology; D002118:Calcium / Q000378:metabolism*; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D009131:Muscle, Smooth, Vascular / Q000378:metabolism / Q000502:physiology; D009206:Myocardium / Q000378:metabolism*
D002118:Calcium