[Electrocardiographic study of 150 cases of mitral stenosis before and after commissurotomy].
D006348:Cardiac Surgical Procedures; D004562:Electrocardiography; D006801:Humans; D008946:Mitral Valve Stenosis / Q000175:diagnosis* / Q000601:surgery*; D050812:Split-Brain Procedure
ELECTROCARDIOGRAPHY; MITRAL STENOSIS/diagnosis; MITRAL STENOSIS/surgery