title: Amyotrophic lateral sclerosis: a study of pulmonary function.
mesh_terms: D000328:Adult; D000368:Aged; D000690:Amyotrophic Lateral Sclerosis / Q000150:complications / Q000503:physiopathology* / Q000628:therapy; D003964:Diaphragm / Q000503:physiopathology; D005260:Female; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D012907:Smoking / Q000150:complications; D013997:Time Factors