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Cohen-Kettenis PT, Schagen SE, Steensma TD, de Vries AL, Delemarre-van de Waal HA.Cohen-Kettenis PT, et al. Among authors: de vries al.Arch Sex Behav. 2011 Aug;40(4):843-7. doi: 10.1007/s10508-011-9758-9. Epub 2011 Apr 19.Arch Sex Behav. 2011.PMID: 21503817Free PMC article.
de Vries AL, Noens IL, Cohen-Kettenis PT, van Berckelaer-Onnes IA, Doreleijers TA.de Vries AL, et al.J Autism Dev Disord. 2010 Aug;40(8):930-6. doi: 10.1007/s10803-010-0935-9.J Autism Dev Disord. 2010.PMID: 20094764Free PMC article.