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Fergusson DM, Horwood LJ, Northstone K; ALSPAC Study Team. Avon Longitudinal Study of Pregnancy and Childhood.Fergusson DM, et al.BJOG. 2002 Jan;109(1):21-7. doi: 10.1111/j.1471-0528.2002.01020.x.BJOG. 2002.PMID: 11843371