title: The importance of aerosol penetration for lung mucociliary clearance studies.
mesh_terms: D000336:Aerosols; D001980:Bronchi / Q000502:physiology; D002923:Cilia / Q000502:physiology*; D005541:Forced Expiratory Volume; D006801:Humans; D008168:Lung / Q000502:physiology*; D009093:Mucus / Q000502:physiology*; D011137:Polystyrenes; D011650:Pulmonary Alveoli / Q000502:physiology; D013667:Technetium; D014132:Trachea / Q000502:physiology
chemical_list: D000336:Aerosols; D011137:Polystyrenes; D013667:Technetium