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Looijmans-van den Akker I, Hulscher ME, Verheij TJ, Riphagen-Dalhuisen J, van Delden JJ, Hak E.Looijmans-van den Akker I, et al. Among authors: hulscher me.Implement Sci. 2011 May 19;6:47. doi: 10.1186/1748-5908-6-47.Implement Sci. 2011.PMID: 21595877Free PMC article.Clinical Trial.