title: Xenon-127 or xenon-133 for ventilation scanning--is the evidence all in?
mesh_terms: D005069:Evaluation Studies as Topic; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging / Q000379:methods; D012107:Research Design / Q000592:standards*; D012119:Respiration; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes