EPIDEMIOLOGICAL METHODS IN THE STUDY OF CHRONIC NON-SPECIFIC LUNG DISEASE.
D001699:Biometry; D004812:Epidemiologic Methods; D004813:Epidemiology; D006801:Humans; D008171:Lung Diseases; D012106:Research; D013223:Statistics as Topic; D006113:United Kingdom
EPIDEMIOLOGY; GREAT BRITAIN; LUNG DISEASES; STATISTICS