title: Symposium: the nose versus the environment.
mesh_terms: D002923:Cilia / Q000502:physiology; D004777:Environment; D006801:Humans; D009093:Mucus / Q000502:physiology; D009297:Nasal Mucosa / Q000502:physiology; D009666:Nose / Q000502:physiology*; D012119:Respiration