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Jacques RM, Fotheringham J, Campbell MJ, Nicholl J.Jacques RM, et al. Among authors: campbell mj.BMC Health Serv Res. 2013 Jun 13;13:216. doi: 10.1186/1472-6963-13-216.BMC Health Serv Res. 2013.PMID: 23763942Free PMC article.