The CYMPLA trial. Mobile phone-based structured intervention to achieve asthma control in patients with uncontrolled persistent asthma: a pragmatic randomised controlled trial
Ryan, D., Pinnock, H., Lee, A. J., Tarassenko, L., Pagliari, C., Sheikh, A., Price, D.
Primary Care Respiratory Journal, vol. 18, no. 4, pp. 343-345
The practical impact of differential item functioning analyses in a health-related quality of life instrument
Scott, N. W., Fayers, P. M., Aaronson, N. K., Bottomley, A., de Graeff, A., Groenvold, M., Gundy, C., Koller, M., Petersen, M. A., Sprangers, M. A. G., European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Group, Quality of Life Cross-Cultural Meta-Analysis Group
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