title: Dual camera studies of pulmonary function.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D011187:Posture; D011652:Pulmonary Circulation; D011655:Pulmonary Embolism / Q000175:diagnosis; D011877:Radionuclide Imaging / Q000295:instrumentation*; D014692:Ventilation-Perfusion Ratio; D014980:Xenon Radioisotopes
chemical_list: D014980:Xenon Radioisotopes