Fletcher, Charles Montague, 1911- The natural history of chronic bronchitis and emphysema : An eigh t-year study of early chronic obstructive lung disease in working men i n London / Charles Fletcher [et al] - Oxford : Oxford University Press , 1976. - xix, 272 p. : ill. ; 24 cm. Includes bibliographical references ( p.258-268) Subjects--Topical Terms: Bronchitis ----England -- London--England --London----Emphysema pulmonary ----London-- London--England --London---- Dewey Class. No.: 616.23