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Hultman CM, Sparén P.Hultman CM, et al.Lancet. 2004 Aug 7-13;364(9433):485-7. doi: 10.1016/S0140-6736(04)16825-6.Lancet. 2004.PMID: 15302177No abstract available.
Hultman CM, Torrång A, Tuvblad C, Cnattingius S, Larsson JO, Lichtenstein P.Hultman CM, et al.J Am Acad Child Adolesc Psychiatry. 2007 Mar;46(3):370-377. doi: 10.1097/01.chi.0000246059.62706.22.J Am Acad Child Adolesc Psychiatry. 2007.PMID: 17314723