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O'Donnell M, Nassar N, Leonard H, Jacoby P, Mathews R, Patterson Y, Stanley F.O'Donnell M, et al. Among authors: leonard h.Int J Epidemiol. 2010 Jun;39(3):921-8. doi: 10.1093/ije/dyq005. Epub 2010 Feb 22.Int J Epidemiol. 2010.PMID: 20176588
Leonard S, Bower C, Petterson B, Leonard H.Leonard S, et al. Among authors: leonard h.Paediatr Perinat Epidemiol. 2000 Apr;14(2):163-71. doi: 10.1046/j.1365-3016.2000.00252.x.Paediatr Perinat Epidemiol. 2000.PMID: 10791661
Williams K, Leonard H, Tursan d'Espaignet E, Colvin L, Slack-Smith L, Stanley F.Williams K, et al. Among authors: leonard h.Arch Dis Child. 2005 Dec;90(12):1243-8. doi: 10.1136/adc.2004.062422.Arch Dis Child. 2005.PMID: 16301550Free PMC article.
Robertson L, Hall SE, Jacoby P, Ellaway C, de Klerk N, Leonard H.Robertson L, et al. Among authors: leonard h.Am J Med Genet B Neuropsychiatr Genet. 2006 Mar 5;141B(2):177-83. doi: 10.1002/ajmg.b.30270.Am J Med Genet B Neuropsychiatr Genet. 2006.PMID: 16389588Free PMC article.