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Eldh AC, Ehrenberg A, Squires JE, Estabrooks CA, Wallin L.Eldh AC, et al. Among authors: wallin l.BMC Health Serv Res. 2013 Feb 19;13:68. doi: 10.1186/1472-6963-13-68.BMC Health Serv Res. 2013.PMID: 23421736Free PMC article.