Figure 1From: Preventing and lessening exacerbations of asthma in school-age children associated with a new term (PLEASANT): study protocol for a cluster randomised control trial Mean residuals for excess medical contacts for children with asthma for over controls in England. The vertical lines represent, from left to right, the 1st September, 1st January and 1st April with LOESS smoothing curve that enables trends to be seen [13].Back to article page