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Gibson BE, Webb DK, Howman AJ, De Graaf SS, Harrison CJ, Wheatley K; United Kingdom Childhood Leukaemia Working Group and the Dutch Childhood Oncology Group.Gibson BE, et al.Br J Haematol. 2011 Nov;155(3):366-76. doi: 10.1111/j.1365-2141.2011.08851.x. Epub 2011 Sep 9.Br J Haematol. 2011.PMID: 21902686Free article.Clinical Trial.