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

Figure 2.
Figure 2. Effect of long-acting β-agonists compared with placebo on odds ratio of hospitalizations for asthma exacerbation.

This Article

  1. Ann Intern Med June 20, 2006 vol. 144 no. 12 904-912