The UCLA population studies of chronic obstructive respiratory disease. II. Determination of reliability and estimation of sensitivity and specificity.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002140:California; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis*; D008403:Mass Screening; D008875:Middle Aged; D010808:Physical Examination; D010991:Plethysmography; D012129:Respiratory Function Tests; D012737:Sex Factors; D012907:Smoking; D013147:Spirometry