TY  - BOOK
AU  - Fletcher,Charles Montague
TI  - 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  / 
U1  - 616.23 
PY  - 1976///
CY  - Oxford : 
PB  - Oxford University Press , 
KW  - Bronchitis
KW  - England
KW  -  London
KW  - London
KW  - Emphysema pulmonary
N1  -  Includes bibliographical references ( p.258-268)
ER  -