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Stubbe JH, de Moor MH, Boomsma DI, de Geus EJ.Stubbe JH, et al. Among authors: boomsma di.Prev Med. 2007 Feb;44(2):148-52. doi: 10.1016/j.ypmed.2006.09.002. Epub 2006 Oct 23.Prev Med. 2007.PMID: 17059845
van Baal GC, de Geus EJ, Boomsma DI.van Baal GC, et al. Among authors: boomsma di.Behav Genet. 1998 Jan;28(1):9-19. doi: 10.1023/a:1021400613723.Behav Genet. 1998.PMID: 9573642