TY  - BOOK
AU  - Pearce,Neil
AU  - Richard,Beasley
AU  - Burgess,Carl
AU  - Crane,Julian
TI  - Asthma epidemiology: principles and methods 
SN  - 0195080165
PY  - 1998///
CY  - New York
PB  - Oxford University Press
KW  - Asthma
KW  - epidemiology
KW  - Epidemiologic Methods
ER  -