title: Small airways: physiology meets pathology.
mesh_terms: D000328:Adult; D001980:Bronchi / Q000473:pathology*; D001991:Bronchitis / Q000473:pathology / Q000503:physiopathology; D005540:Forced Expiratory Flow Rates; D006801:Humans; D012907:Smoking / Q000473:pathology / Q000503:physiopathology