TY  - GEN
AU  - Hepper,N G
TI  - Cigarette smoking and chronic respiratory disease
SN  - 0026-556X
PY  - 1969///1130
KW  - Bronchitis
KW  - etiology
KW  - Chronic Disease
KW  - Humans
KW  - Lung Diseases
KW  - Male
KW  - Pulmonary Emphysema
KW  - Smoking
KW  - complications
N1  - Publication Type: Journal Article
ER  -