title: Delivery efficiency of technetium-99m DTPA aerosol.
mesh_terms: D000336:Aerosols; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D004369:Pentetic Acid / Q000008:administration & dosage*; D011877:Radionuclide Imaging; D013667:Technetium / Q000008:administration & dosage*; D016284:Technetium Tc 99m Pentetate
chemical_list: D000336:Aerosols; D013667:Technetium; D004369:Pentetic Acid; D016284:Technetium Tc 99m Pentetate