TY  - BOOK
AU  - Florey,C.duV
AU  - Florey, C. du. V
AU  - Leeder, S. R.
ED  - World Health Organization
TI  - Methods for cohort studies of chronic airflow limitation
T2  - WHO Regional Publication, European Series
SN  - 9289011033
U1  - 100 SD:614.592011 23
PY  - 1982///
CY  - Denmark
PB  - World Health Organization Regional Office for Europe
ER  -