title: Editorial: Setting the limits of normal for pulmonary function: a problem and a paradox.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001827:Body Height; D006801:Humans; D008875:Middle Aged; D012119:Respiration; D012129:Respiratory Function Tests; D012907:Smoking; D014797:Vital Capacity