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van den Boogaard MJ, de Costa D, Krapels IP, Liu F, van Duijn C, Sinke RJ, Lindhout D, Steegers-Theunissen RP.van den Boogaard MJ, et al.Hum Genet. 2008 Dec;124(5):525-34. doi: 10.1007/s00439-008-0569-6. Epub 2008 Oct 19.Hum Genet. 2008.PMID: 18932005
van Rooij IA, Groenen PM, van Drongelen M, Te Morsche RH, Peters WH, Steegers-Theunissen RP.van Rooij IA, et al.Teratology. 2002 Nov;66(5):260-6. doi: 10.1002/tera.10096.Teratology. 2002.PMID: 12397635
Krapels IP, van Rooij IA, Ocké MC, West CE, van der Horst CM, Steegers-Theunissen RP.Krapels IP, et al.J Nutr. 2004 Nov;134(11):3106-13. doi: 10.1093/jn/134.11.3106.J Nutr. 2004.PMID: 15514283Free article.
Krapels IP, Vermeij-Keers C, Müller M, de Klein A, Steegers-Theunissen RP.Krapels IP, et al.Nutr Rev. 2006 Jun;64(6):280-8. doi: 10.1111/j.1753-4887.2006.tb00211.x.Nutr Rev. 2006.PMID: 16808114Review.
Krapels IP, Zielhuis GA, Vroom F, de Jong-van den Berg LT, Kuijpers-Jagtman AM, van der Molen AB, Steegers-Theunissen RP; Eurocran Gene-Environment Interaction Group.Krapels IP, et al.Birth Defects Res A Clin Mol Teratol. 2006 Aug;76(8):613-20. doi: 10.1002/bdra.20285.Birth Defects Res A Clin Mol Teratol. 2006.PMID: 16955502
Verkleij-Hagoort A, Bliek J, Sayed-Tabatabaei F, Ursem N, Steegers E, Steegers-Theunissen R.Verkleij-Hagoort A, et al.Am J Med Genet A. 2007 May 1;143A(9):952-60. doi: 10.1002/ajmg.a.31684.Am J Med Genet A. 2007.PMID: 17431894