TY  - RPRT
TI  - Refractory asthma.
AU  - Maureen McGeehan
AU  - William W Busse
PY  - 2002
DO  - 10.1016/s0025-7125(02)00034-2
UR  - https://pubmed.ncbi.nlm.nih.gov/12428546/
ID  - 12428546
ER  -