title: A simple 133Xe delivery system for studies of regional ventilation.
mesh_terms: D000293:Adolescent; D006801:Humans; D007619:Kartagener Syndrome / Q000503:physiopathology; D011868:Radioisotopes / Q000008:administration & dosage*; D014692:Ventilation-Perfusion Ratio; D014978:Xenon / Q000008:administration & dosage*
chemical_list: D011868:Radioisotopes; D014978:Xenon