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..However, some evidence does exist that such sponges can reduce the incidence of deep infections in high risk patients. ..
Creanor S, Lloyd J, Hillsdon M, Dean S, Green C, Taylor R, et al. Detailed statistical analysis plan for a cluster randomised controlled trial of the Healthy Lifestyles Programme (HeLP), a novel school-based intervention to prevent obesity in school children. Trials. 2016;17:599 pubmed
..International Standard Randomised Controlled Trial Number (ISRCTN) register: ISRCTN15811706 . Registered on 1 May 2012. ..