Regional lung functions in children with asthma.
D000293:Adolescent; D001249:Asthma / Q000000981:diagnostic imaging*; D002648:Child; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D012075:Remission, Spontaneous; D014692:Ventilation-Perfusion Ratio