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O'Rourke A, Dolman E, Fox N, Lane P, Roberts C.O'Rourke A, et al.Health Libr Rev. 1999 Jun;16(2):73-81. doi: 10.1046/j.1365-2532.1999.00214.x.Health Libr Rev. 1999.PMID: 10538799Free article.
Fox N, O'Rourke A, Roberts C, Walker J.Fox N, et al.Med Educ. 2001 Aug;35(8):803-5. doi: 10.1046/j.1365-2923.2001.00974.x.Med Educ. 2001.PMID: 11489111
Fox NJ, Ward KJ.Fox NJ, et al.Sociol Health Illn. 2008 Nov;30(7):1007-21. doi: 10.1111/j.1467-9566.2008.01093.x. Epub 2008 Jun 18.Sociol Health Illn. 2008.PMID: 18564978Free article.