Serial studies of pulmonary function in patients with chronic obstructive pulmonary disease.
D000328:Adult; D000368:Aged; D001991:Bronchitis / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009026:Mortality; D011656:Pulmonary Emphysema / Q000503:physiopathology*; D012119:Respiration; D012129:Respiratory Function Tests