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den Tonkelaar I, Oddens BJ.den Tonkelaar I, et al.Obstet Gynecol. 2000 Apr;95(4):507-12. doi: 10.1016/s0029-7844(99)00586-4.Obstet Gynecol. 2000.PMID: 10725481
den Tonkelaar I, Oddens BJ.den Tonkelaar I, et al.Contraception. 1999 Jun;59(6):357-62. doi: 10.1016/s0010-7824(99)00043-8.Contraception. 1999.PMID: 10518229
Oddens BJ, den Tonkelaar I, Nieuwenhuyse H.Oddens BJ, et al. Among authors: den tonkelaar i.Hum Reprod. 1999 Jan;14(1):255-61. doi: 10.1093/humrep/14.1.255.Hum Reprod. 1999.PMID: 10374131
de Vries E, den Tonkelaar I, van Noord PA, van der Schouw YT, te Velde ER, Peeters PH.de Vries E, et al. Among authors: den tonkelaar i.Hum Reprod. 2001 Aug;16(8):1657-62. doi: 10.1093/humrep/16.8.1657.Hum Reprod. 2001.PMID: 11473959
den Tonkelaar I, Peeters PH, van Noord PA.den Tonkelaar I, et al.Maturitas. 2004 May 28;48(1):51-7. doi: 10.1016/j.maturitas.2003.10.002.Maturitas. 2004.PMID: 15223108
Muller M, den Tonkelaar I, Thijssen JH, Grobbee DE, van der Schouw YT.Muller M, et al. Among authors: den tonkelaar i.Eur J Endocrinol. 2003 Dec;149(6):583-9. doi: 10.1530/eje.0.1490583.Eur J Endocrinol. 2003.PMID: 14641001
Muller M, Grobbee DE, den Tonkelaar I, Lamberts SW, van der Schouw YT.Muller M, et al. Among authors: den tonkelaar i.J Clin Endocrinol Metab. 2005 May;90(5):2618-23. doi: 10.1210/jc.2004-1158. Epub 2005 Feb 1.J Clin Endocrinol Metab. 2005.PMID: 15687322
den Tonkelaar I, Seidell JC, van Noord PA, Baanders-van Halewijn EA, Ouwehand IJ.den Tonkelaar I, et al.Int J Obes. 1990 Sep;14(9):753-61.Int J Obes. 1990.PMID: 2228408
den Tonkelaar I, de Waard F.den Tonkelaar I, et al.Breast Cancer Res Treat. 1996;38(3):253-8. doi: 10.1007/BF01806143.Breast Cancer Res Treat. 1996.PMID: 8739077