1. Risk of bias summary for Cochrane review comparing pMDI and spacer to nebulisers to deliver β2-agonists to adults and children with acute asthma.
Risk of bias summary for Cochrane review comparing pMDI and spacer to nebulisers to deliver β2-agonists to adults and children with acute asthma. The red circle indicates high risk of bias, the green circle low risk and the yellow circle indicates that the risk is unclear as judged by the authors of the Cochrane Review. Figure reproduced and modified from [1] with the publisher’s permission.
Christopher J. Cates et al. Breathe 2014;10:
©2014 by European Respiratory Society