Regional lung function studies in clinical medicine.
D006331:Heart Diseases / Q000175:diagnosis; D006801:Humans; D008168:Lung / Q000098:blood supply / Q000503:physiopathology*; D008946:Mitral Valve Stenosis / Q000503:physiopathology; D011877:Radionuclide Imaging; D012140:Respiratory Tract Diseases / Q000175:diagnosis; D014692:Ventilation-Perfusion Ratio