Longitudinal respiratory studies in older people.
D000368:Aged; D003371:Cough / Q000453:epidemiology; D004417:Dyspnea / Q000453:epidemiology; D005260:Female; D005500:Follow-Up Studies; D005541:Forced Expiratory Volume; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D008875:Middle Aged; D012120:Respiration Disorders / Q000453:epidemiology* / Q000503:physiopathology; D012606:Scotland; D012907:Smoking / Q000453:epidemiology; D011795:Surveys and Questionnaires; D014797:Vital Capacity