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Majumdar B, Browne G, Roberts J.Majumdar B, et al. Among authors: roberts j.Can J Public Health. 1995 May-Jun;86(3):206-11.Can J Public Health. 1995.PMID: 7671209
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Weir R, Browne GB, Tunks E, Gafni A, Roberts J.Weir R, et al. Among authors: roberts j.J Clin Epidemiol. 1992 Dec;45(12):1399-415. doi: 10.1016/0895-4356(92)90202-x.J Clin Epidemiol. 1992.PMID: 1460478
Weir R, Browne G, Tunks E, Gafni A, Roberts J.Weir R, et al. Among authors: roberts j.Clin J Pain. 1996 Dec;12(4):277-90. doi: 10.1097/00002508-199612000-00007.Clin J Pain. 1996.PMID: 8969873
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Byrne C, Browne G, Roberts J, Ewart B, Schuster M, Underwood J, Flynn-Kingston S, Rennick K, Bell B, Gafni A, Watt S, Ashford Y, Jamieson E.Byrne C, et al. Among authors: roberts j.CMAJ. 1998 Apr 7;158(7):881-8.CMAJ. 1998.PMID: 9559013Free PMC article.