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McGregor MJ, Reid RJ, Schulzer M, Fitzgerald JM, Levy AR, Cox MB.McGregor MJ, et al. Among authors: reid rj.BMC Health Serv Res. 2006 Nov 25;6:152. doi: 10.1186/1472-6963-6-152.BMC Health Serv Res. 2006.PMID: 17125520Free PMC article.