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van der Heijden KB, Smits MG, van Someren EJ, Boudewijn Gunning W.van der Heijden KB, et al. Among authors: van someren ej.J Sleep Res. 2005 Jun;14(2):187-94. doi: 10.1111/j.1365-2869.2005.00451.x.J Sleep Res. 2005.PMID: 15910516Clinical Trial.
Van der Heijden KB, Smits MG, Van Someren EJ, Gunning WB.Van der Heijden KB, et al. Among authors: van someren ej.Chronobiol Int. 2005;22(3):559-70. doi: 10.1081/CBI-200062410.Chronobiol Int. 2005.PMID: 16076654
Hoekert M, der Lek RF, Swaab DF, Kaufer D, Van Someren EJ.Hoekert M, et al. Among authors: van someren ej.Am J Geriatr Psychiatry. 2006 Feb;14(2):104-11. doi: 10.1097/01.JGP.0000192481.27931.c5.Am J Geriatr Psychiatry. 2006.PMID: 16473974
Fronczek R, Overeem S, Lammers GJ, van Dijk JG, Van Someren EJ.Fronczek R, et al. Among authors: van dijk jg, van someren ej.Sleep. 2006 Nov;29(11):1444-9. doi: 10.1093/sleep/29.11.1444.Sleep. 2006.PMID: 17162991
Raymann RJ, Van Someren EJ.Raymann RJ, et al. Among authors: van someren ej.Sleep. 2007 Jan;30(1):96-103. doi: 10.1093/sleep/30.1.96.Sleep. 2007.PMID: 17310870