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Estabrooks CA, Squires JE, Hutchinson AM, Scott S, Cummings GG, Kang SH, Midodzi WK, Stevens B.Estabrooks CA, et al.BMC Health Serv Res. 2011 Oct 4;11:251. doi: 10.1186/1472-6963-11-251.BMC Health Serv Res. 2011.PMID: 21970404Free PMC article.