TY  - BOOK
AU  - Florey,Charles du V.
AU  - Leeder,S.R.
ED  - World Health Organization.
TI  - Methods for cohort studies of chronic airflow limitation
SN  - 9289011033
PY  - 1982///
CY  - Copenhagen
PB  - WHO Regional Office for Europe
KW  - Lung diseases, Obstructive
KW  - epidemiology
KW  - Data collection
KW  - methods
N1  - PC.EURO
ER  -