title: [Evaluation of mitral stenosis with left ventricular angiography--classification of progression of the stenotic process and selection of the surgical procedures].
mesh_terms: D000790:Angiocardiography; D006352:Heart Ventricles / Q000000981:diagnostic imaging*; D006801:Humans; D008946:Mitral Valve Stenosis / Q000000981:diagnostic imaging* / Q000601:surgery