title: Evaluation of mitral valvular lesion of mitral stenosis by M-mode echocardiography: with special reference to the indication for commissurotomy.
mesh_terms: D000328:Adult; D004452:Echocardiography; D006801:Humans; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000175:diagnosis* / Q000601:surgery