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Devitt J, Cass A, Cunningham J, Preece C, Anderson K, Snelling P.Devitt J, et al. Among authors: anderson k.BMC Health Serv Res. 2008 Feb 4;8:31. doi: 10.1186/1472-6963-8-31.BMC Health Serv Res. 2008.PMID: 18248667Free PMC article.