Chronic respiratory disease among nonsmokers in Hagerstown, Maryland. II. Problems in the estimation of pulmonary function values in epidemiological surveys.
D000328:Adult; D000367:Age Factors; D000704:Analysis of Variance; D001827:Body Height; D001835:Body Weight; D002908:Chronic Disease; D006801:Humans; D008168:Lung / Q000502:physiology*; D008297:Male; D008396:Maryland; D011159:Population Surveillance; D012140:Respiratory Tract Diseases / Q000453:epidemiology; D013147:Spirometry