TY  - BOOK
AU  - Heard,Brian Edyvean
TI  - Pathology of chronic bronchitis and emphysema
PY  - 1969///
CY  - Baltimore
PB  - Williams & Wilkins
KW  - Emphysema, Pulmonary
KW  - Bronchitis
N1  - Bibliography: p. 111-124
ER  -