title: Distal penetration in radioaerosol inhalation with an ultrasonic nebulizer.
mesh_terms: D000336:Aerosols; D006801:Humans; D008168:Lung / Q000098:blood supply*; D011652:Pulmonary Circulation; D011868:Radioisotopes; D011877:Radionuclide Imaging; D014465:Ultrasonics; D014978:Xenon
chemical_list: D000336:Aerosols; D011868:Radioisotopes; D014978:Xenon