Direct high-performance liquid chromatography analysis of p-hydroxyphenyl-phenylhydantoin glucuronide, the final metabolite of phenytoin, in human serum and urineVREE, T. B; STEEGERS-THEUNISSEN, R. P. M; BAARS, A. M et al.Journal of chromatography. Biomedical applications. 1990, Vol 526, Num 2, pp 581-589, issn 0378-4347Article

Maternal folate receptor autoantibodies and cleft lip and/or palateBLIEK, J. B; ROTHENBERG, S. P; STEEGERS-THEUNISSEN, R. P. M et al.International journal of gynaecology and obstetrics. 2006, Vol 93, Num 2, pp 142-143, issn 0020-7292, 2 p.Article

Evaluation of topical drug treatment in psoriasisDE KERKHOF, P. C. M. V; STEEGERS-THEUNISSEN, R. P. M; KUIPERS, M. V et al.Dermatology (Basel). 1998, Vol 197, Num 1, pp 31-36, issn 1018-8665Article

Maternal periconceptional biochemical and hematological parameters, vitamin profiles and pregnancy outcomeDE WEERD, S; STEEGERS-THEUNISSEN, R. P. M; DE BOO, T. M et al.European journal of clinical nutrition. 2003, Vol 57, Num 9, pp 1128-1134, issn 0954-3007, 7 p.Article

Maternal nutrition and obstetric outcomeSTEEGERS-THEUNISSEN, R. P. M.Baillière's clinical obstetrics and gynaecology. 1995, Vol 9, Num 3, pp 431-443, issn 0950-3552Article

Does folic acid and zinc sulphate intervention affect endocrine parameters and sperm characteristics in men?EBISCH, I. M. W; PIERIK, F. H; DE JONG, F. H et al.International journal of andrology (Print). 2006, Vol 29, Num 2, pp 339-345, issn 0105-6263, 7 p.Article

Coeliac disease and reproductive disorders: a neglected associationROSTAMI, K; STEEGERS, E. A. P; WONG, W. Y et al.European journal of obstetrics, gynecology, and reproductive biology. 2001, Vol 96, Num 2, pp 146-149, issn 0301-2115Article

Maternal and fetal levels of methionine and homocysteine in early human pregnancySTEEGERS-THEUNISSEN, R. P. M; WATHEN, N. C; ESKES, T. K. A. B et al.British journal of obstetrics and gynaecology (Print). 1997, Vol 104, Num 1, pp 20-24, issn 0306-5456Article

Atrial natriuretic peptide in the first gestational trimester : a longitudinal studySTEEGERS, E. A. P; STEEGERS-THEUNISSEN, R. P. M; JONGSMA, H. W et al.Gynecologic and obstetric investigation. 1991, Vol 31, Num 4, pp 246-248, issn 0378-7346, 3 p.Article

Folate affects apoptosis in human trophoblastic cellsSTEEGERS-THEUNISSEN, R. P. M; SMITH, S. C; STEEGERS, E. A. P et al.BJOG (Oxford. Print). 2000, Vol 107, Num 12, pp 1513-1515, issn 1470-0328Article

Folate intake in Europe : recommended, actual and desired intakeDE BREE, A; VAN DUSSELDORP, M; BROUWER, I. A et al.European journal of clinical nutrition. 1997, Vol 51, Num 10, pp 643-660, issn 0954-3007Article

The preconception diet is associated with the chance of ongoing pregnancy in women undergoing IVF/ICSI treatmentTWIGT, J. M; BOLHUIS, M. E. C; STEEGERS, E. A. P et al.Human reproduction (Oxford. Print). 2012, Vol 27, Num 8, pp 2526-2531, issn 0268-1161, 6 p.Article

Sperm Quality Decline Among Men Below 60 Years of Age Undergoing IVF or ICSI TreatmentHAMMICHE, F; LAVEN, J. S. E; BOXMEER, J. C et al.Journal of andrology. 2011, Vol 32, Num 1, pp 70-76, issn 0196-3635, 7 p.Article

Low-dose folic acid supplementation decreases plasma homocysteine concentrations : a randomized trialBROUWER, I. A; VAN DUSSELDORP, M; THOMAS, C. M. G et al.The American journal of clinical nutrition. 1999, Vol 69, Num 1, pp 99-104, issn 0002-9165Article

Hyperhomocysteinemia : a risk factor for placental abruption or infarctionGODDIJN-WESSEL, T. A; WOUTERS, M. G. A. J; MOLEN, E. F. V. D et al.European journal of obstetrics, gynecology, and reproductive biology. 1996, Vol 66, Num 1, pp 23-29, issn 0301-2115Article

Prepregnancy care and prevention of birth defectsESKES, T. K. A. B; MOOIJ, P. N. M; STEEGERS-THEUNISSEN, R. P. M et al.Journal of perinatal medicine. 1992, Vol 20, Num 4, pp 253-265, issn 0300-5577Article

Homocysteine-lowering effect of 500 μg folic acid every other day versus 250 μg/dayBROUWER, I. A; VAN ROOIJ, I. A. L. M; VAN DUSSELDORP, M et al.Annals of nutrition and metabolism. 2000, Vol 44, Num 5-6, pp 194-197, issn 0250-6807Article

Dietary folate from vegetables and citrus fruit decreases plasma homocysteine concentrations in humans in a dietary controlled trialBROUWER, I. A; VAN DUSSELDORP, M; WEST, C. E et al.The Journal of nutrition. 1999, Vol 129, Num 6, pp 1135-1139, issn 0022-3166Article

Glutathione S-transferase alpha levels in epileptic and healthy women preconceptionally epileptic and healthy women and throughout pregnancyZUSTERZEEL, P. L. M; KNAPEN, M. F. C. M; ROES, E. M et al.Gynecologic and obstetric investigation. 1999, Vol 48, Num 2, pp 89-92, issn 0378-7346Article

Altered folate and vitamin B₁₂ metabolism in families with spina bifida offspringVAN DER PUT, N. M. J; THOMAS, C. M. G; ESKES, T. K. A. B et al.QJM (Oxford. 1994. Print). 1997, Vol 90, Num 8, pp 505-510, issn 1460-2725Article

Associations between dietary patterns and semen quality in men undergoing IVF/ICSI treatmentVUJKOVIC, M; DE VRIES, J. H; DOHLE, G. R et al.Human reproduction (Oxford. Print). 2009, Vol 24, Num 6, pp 1304-1312, issn 0268-1161, 9 p.Article

Homocysteine, glutathione and related thiols affect fertility parameters in the (sub)fertile coupleEBISCH, I. M. W; PETERS, W. H. M; THOMAS, C. M. G et al.Human reproduction (Oxford. Print). 2006, Vol 21, Num 7, pp 1725-1733, issn 0268-1161, 9 p.Article

Decreased methylene tetrahydrofolate reductase activity due to the 677C→T mutation in families with spina bifida offspringVAN DER PUT, N. M. J; VAN DEN HEUVEL, L. P; STEEGERS-THEUNISSEN, R. P. M et al.Journal of molecular medicine (Berlin. Print). 1996, Vol 74, Num 11, pp 691-694, issn 0946-2716Article

Mutated methylenetetrahydrofolate reductase as a risk factor for spina bifidaVAN DER PUT, N. M. J; STEEGERS-THEUNISSEN, R. P. M; FROSST, P et al.Lancet (British edition). 1995, Vol 346, Num 8982, pp 1070-1071, issn 0140-6736Article

Sub-50 oral contraceptives affect folate kineticsSTEEGERS-THEUNISSEN, R. P. M; VAN ROSSUM, J. M; STEEGERS, E. A. P et al.Gynecologic and obstetric investigation. 1993, Vol 36, Num 4, pp 230-233, issn 0378-7346Article