title: [Observation of the altered regional pulmonary functions using 133 Xe before and after surgery of mitral valve stenosis].
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000503:physiopathology / Q000601:surgery*; D011184:Postoperative Period; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes