title: [Closing volume].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000402:Airway Obstruction / Q000175:diagnosis; D001980:Bronchi / Q000502:physiology*; D002648:Child; D006801:Humans; D008875:Middle Aged; D012129:Respiratory Function Tests; D013147:Spirometry