AU  - Brozek JL, Kraft M, Krishnan JA, et al
TI  - Long-acting β2-agonist step-off in patients with controlled asthma: Systematic review with meta-analysis
PT  - JOUR
DP  - 2012
TA  - Archives of Internal Medicine
pages = {1365-1375},
VI  - 172
IP  - 18
AID  - 10.1001/archinternmed.2012.3250 [doi]
4100  - http://dx.doi.org/10.1001/archinternmed.2012.3250
SO  - Archives of Internal Medicine October 8, 2012 172(18):1365