Evaluation of methods for the early detection of chronic obstructive ventilatory diseases.
D000328:Adult; D000368:Aged; D001249:Asthma / Q000175:diagnosis*; D001991:Bronchitis / Q000175:diagnosis*; D002908:Chronic Disease; D006801:Humans; D008297:Male; D008403:Mass Screening; D008722:Methods; D008875:Middle Aged; D009518:New York; D011656:Pulmonary Emphysema / Q000175:diagnosis*; D013147:Spirometry