TY  - BOOK
AU  - Fletcher,C.M.
TI  - The Natural history of chronic bronchitis and emphysema: an eight-year study of early chronic obstructive lung disease in working men in London 
SN  - 0192611194 :
AV  - RC778 .N37
U1  - 616.2/3 
PY  - 1976///
CY  - Oxford, New York
PB  - Oxford University Press
KW  - Bronchitis
KW  - England
KW  - London
KW  - Epidemiology
KW  - Emphysema, Pulmonary
KW  - Pulmonary function tests
N1  - Includes index; Bibliography: p. [258]-268
ER  -