Difficult asthma
BMJ
.
1999 Oct 23;319(7217):1141A.
doi: 10.1136/bmj.319.7217.1141a.
Author
T Usherwood
1
Affiliation
1
University of Sydney at Westmead, Australia.
PMID:
10531126
PMCID:
PMC1116924
DOI:
10.1136/bmj.319.7217.1141a
No abstract available