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Ades AE, Welton NJ, Caldwell D, Price M, Goubar A, Lu G.Ades AE, et al. Among authors: welton nj.J Health Serv Res Policy. 2008 Oct;13 Suppl 3:12-22. doi: 10.1258/jhsrp.2008.008020.J Health Serv Res Policy. 2008.PMID: 18806188