TY  - BOOK
AU  - Holgate,Stephen T.
AU  - Boushey,Homer A.
AU  - Fabbri,Leonardo M.
TI  - Difficult asthma
SN  - 1853175560
PY  - 1999///
CY  - London
PB  - Martin Dunitz
KW  - Asthma
ER  -