TY  - BOOK
AU  - Florey, Charles du V.
AU  - Leeder, S. R.
ED  - World Health Organization. œb Regional Office for Europe.
TI  - Methods for cohort studies of chronic airflow limitation
SN  - 9289011033 (pbk.)
PY  - 1982///
CY  - Copenhagen
PB  - World Health Organization, Regional Office for Europ e
KW  - Data Collection
KW  - methods
KW  - Lung Diseases, Obstructive
KW  - epidemiology
ER  -