Electrocardiographic analysis of pure mitral valvular disease: a study based on fifty-seven cases with open-heart operation.
D004194:Disease; D004562:Electrocardiography; D006331:Heart Diseases; D006349:Heart Valve Diseases; D006801:Humans; D008943:Mitral Valve; D012214:Rheumatic Heart Disease
ELECTROCARDIOGRAPHY; MITRAL VALVE/diseases