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Atack N, Hathorn I, Mars M, Sandy J.Atack N, et al. Among authors: sandy j.Eur J Orthod. 1997 Apr;19(2):165-70. doi: 10.1093/ejo/19.2.165.Eur J Orthod. 1997.PMID: 9183066
Williams AC, Sandy JR, Thomas S, Sell D, Sterne JA.Williams AC, et al. Among authors: sandy jr.Lancet. 1999 Nov 13;354(9191):1697-8. doi: 10.1016/s0140-6736(99)03748-4.Lancet. 1999.PMID: 10568574
Johnson N, Williams AC, Singer S, Southall P, Atack N, Sandy JR.Johnson N, et al. Among authors: sandy jr.Cleft Palate Craniofac J. 2000 Jan;37(1):12-6. doi: 10.1597/1545-1569_2000_037_0012_dricbw_2.3.co_2.Cleft Palate Craniofac J. 2000.PMID: 10670883
Johnson N, Williams A, Singer S, Southall P, Sandy J.Johnson N, et al. Among authors: sandy j.Eur J Orthod. 2000 Feb;22(1):93-100. doi: 10.1093/ejo/22.1.93.Eur J Orthod. 2000.PMID: 10721250