Bonaventure A, Harewood R, Stiller CA, Gatta G, ... , Fitzpatrick D, Gavin A, et al. Worldwide comparison of survival from childhood leukaemia for 1995–2009, by subtype, age, and sex (CONCORD-2): a population-based study of individual data for 89 828 children from 198 registries in 53 countries.  Lancet Haematol 2017; 4:e202-e217. doi:10.1016/S2352-3026(17)30052-2

Murray LJ, McCarron P, Bailie K, Middleton RJ, Davey Smith G, Dempsey S, McCarthy A, Gavin AT.  Association of early life factors and acute lymphoblastic leukaemia in childhood: historical cohort study.  British Journal of Cancer, Feb 2002, doi:10.1038/sj.bjc.6600012 .

Gavin A, Rous B, Marcos-Gragera R, Middleton R, Steliarova-Foucher E, Maynadie M, Zanetti R, Visser O.  Towards optimal clinical and epidemiological registration of Haematological Malignancies: guidelines for recording progressions, transformations and multiple diagnoses.  Eur J Cancer. 2015 Jun;51(9):1109-22. doi: 10.1016/j.ejca.2014.02.008. Epub 12 Mar 2014.