Meta-Analysis: Effect of Long-Acting β-Agonists on Severe Asthma Exacerbations and Asthma-Related Deaths

Figure 2.
Effect of long-acting β-agonists compared with placebo on odds ratio of hospitalizations for asthma exacerbation.
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Published Ahead of Print
June 5, 2006,
Ann Intern Med
June 20, 2006
vol. 144
no. 12
904-912