title: [Pulmonary ventilation studies of asthmatic children with Kr-81m (author's transl)].
mesh_terms: D000293:Adolescent; D001249:Asthma / Q000000981:diagnostic imaging / Q000503:physiopathology*; D001250:Asthma, Exercise-Induced / Q000503:physiopathology; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007726:Krypton; D008168:Lung / Q000503:physiopathology*; D011868:Radioisotopes; D011877:Radionuclide Imaging; D012119:Respiration
chemical_list: D011868:Radioisotopes; D007726:Krypton