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Amin N, Aulchenko YS, Dekker MC, Ferdinand RF, van Spreeken A, Temmink AH, Verhulst FC, Oostra BA, van Duijn CM.Amin N, et al. Among authors: ferdinand rf.Eur J Hum Genet. 2009 Jul;17(7):958-66. doi: 10.1038/ejhg.2008.260. Epub 2009 Jan 21.Eur J Hum Genet. 2009.PMID: 19156173Free PMC article.
de Nijs PF, Ferdinand RF, de Bruin EI, Dekker MC, van Duijn CM, Verhulst DC.de Nijs PF, et al. Among authors: ferdinand rf.Eur Child Adolesc Psychiatry. 2004 Oct;13(5):315-20. doi: 10.1007/s00787-004-0405-z.Eur Child Adolesc Psychiatry. 2004.PMID: 15490279
Ferdinand RF, van der Ende J, Verhulst FC.Ferdinand RF, et al.Eur Child Adolesc Psychiatry. 2006 Mar;15(3):156-62. doi: 10.1007/s00787-005-0518-z. Epub 2006 Jan 19.Eur Child Adolesc Psychiatry. 2006.PMID: 16424962