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Brand CA, Martin-Khan M, Wright O, Jones RN, Morris JN, Travers CM, Tropea J, Gray LC.Brand CA, et al.BMC Health Serv Res. 2011 Oct 20;11:281. doi: 10.1186/1472-6963-11-281.BMC Health Serv Res. 2011.PMID: 22014061Free PMC article.
Martin-Khan M, Flicker L, Wootton R, Loh PK, Edwards H, Varghese P, Byrne GJ, Klein K, Gray LC.Martin-Khan M, et al.J Am Med Dir Assoc. 2012 Jun;13(5):487.e19-24. doi: 10.1016/j.jamda.2012.03.004. Epub 2012 May 8.J Am Med Dir Assoc. 2012.PMID: 22572552Free article.