TY  - BOOK
ED  -  American Lung Association.
ED  -  American Thoracic Society.
TI  -  Chronic obstructive pulmonary disease
PY  - 1981///
CY  -  New York : 
PB  -  American Lung Assoc. , 
KW  -  Lung diseases, Obstructive
N1  -  Includes bibliographical references and index
ER  -