title: Esophageal contribution to "clearance" of pulmonary aerosols.
mesh_terms: D000336:Aerosols; D000402:Airway Obstruction / Q000000981:diagnostic imaging*; D004947:Esophagus / Q000000981:diagnostic imaging*; 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