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Copper-containing, framed intrauterine devices for contraception : a systematic review of randomized controlled trialsO'BRIEN, Paul A; KULIER, Regina; HELMERHORST, Frans M et al.Contraception (Stoneham). 2008, Vol 77, Num 5, pp 318-327, issn 0010-7824, 10 p.Article

Pericellular-acting proteases in human first trimester deciduaPLAISIER, Margreet; KOOLWIJK, Pieter; WILLEMS, Florian et al.Molecular human reproduction. 2008, Vol 14, Num 1-2, pp 41-51, issn 1360-9947, 11 p.Article

Conventional in vitro fertilization versus intracytoplasmic sperm injection in patients with borderline semen : a randomized study using sibling oocytesVAN DER WESTERLAKEN, Lucette; NAAKTGEBOREN, Nico; VERBURG, Harjo et al.Fertility and sterility. 2006, Vol 85, Num 2, pp 395-400, issn 0015-0282, 6 p.Article

Combination estrogen-progestin contraceptives and body weight: Systematic review of randomized controlled trialsGALLO, Maria F; GRIMES, David A; SCHULZ, Kenneth F et al.Obstetrics and gynecology (New York. 1953). 2004, Vol 103, Num 2, pp 359-373, issn 0029-7844, 15 p.Article

Effect of a combined oral contraceptive containing 3 mg of drospirenone and 30 μg of ethinyl estradiol on the human endometriumLUDICKE, Frank; JOHANNISSON, Elisabeth; HELMERHORST, Frans M et al.Fertility and sterility. 2001, Vol 76, Num 1, pp 102-107, issn 0015-0282Article

An analysis of systematic reviews indicated low incorpororation of results from clinical trial quality assessmentDE CRAEN, Anton J. M; VAN VLIET, Huib A. A. M; HELMERHORST, Frans M et al.Journal of clinical epidemiology. 2005, Vol 58, Num 3, pp 311-313, issn 0895-4356, 3 p.Article

The Cochrane Fertility Regulation Group : synthesizing the best evidence about family planningHELMERHORST, Frans M; BELFIELD, Toni; KULIER, Regina et al.Contraception (Stoneham). 2006, Vol 74, Num 4, pp 280-286, issn 0010-7824, 7 p.Article

Perinatal outcome of singletons and twins after assisted conception: a systematic review of controlled studiesHELMERHORST, Frans M; PERQUIN, Denise A. M; DONKER, Diane et al.BMJ. British medical journal (International ed.). 2004, Vol 328, Num 7434, pp 261-264, issn 0959-8146, 4 p.Article

A case of thrombosis at high altitudeSCHREIJER, Anja J. M; CANNEGIETER, Suzanne C; ROSENDAAL, Frits R et al.Thrombosis and haemostasis. 2005, Vol 94, Num 5, pp 1104-1105, issn 0340-6245, 2 p.Article

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Membrane-type matrix metalloproteinases and vascularization in human endometrium during the menstrual cyclePLAISIER, Margreet; KOOLWIJK, Pieter; HANEMAAIJER, Roeland et al.Molecular human reproduction. 2006, Vol 12, Num 1-2, pp 11-18, issn 1360-9947, 8 p.Article

The effect of the levonorgestrel-releasing intrauterine system on the resistance to activated protein C (APC)VAN VLIET, Huib A. A. M; TCHAIKOVSKI, Svetlana N; ROSENDAAL, Frits R et al.Thrombosis and haemostasis. 2009, Vol 101, Num 4, pp 691-695, issn 0340-6245, 5 p.Article

Matched follow-up study of 5-8 year old ICSI-singletons : comparison of their neuromotor development to IVF and naturally conceived singletonsKNOESTER, Marjolein; VANDENBROUCKE, Jan P; HELMERHORST, Frans M et al.Human reproduction (Oxford. Print). 2007, Vol 22, Num 6, pp 1638-1646, issn 0268-1161, 9 p.Article

Genetic polymorphisms modify the response of factor VII to oral contraceptive use: an example of gene-environment interactionBLOEMENKAMP, Kitty W. M; DE MAAT, Moniek P. M; DERSJANT-ROORDA, Marianne C et al.Vascular pharmacology. 2002, Vol 39, Num 3, pp 131-136, issn 1537-1891, 6 p.Article

Oral contraceptives and the risk of myocardial infarctionTANIS, Bea C; VAN DEN BOSCH, Maurice A. A. J; KEMMEREN, Jeanet M et al.The New England journal of medicine. 2001, Vol 345, Num 25, pp 1787-1793, issn 0028-4793Article

Different degrees of vascularization and their relationship to the expression of vascular endothelial growth factor, placental growth factor, angiopoietins, and their receptors in first-trimester decidual tissuesPLAISIER, Margreet; RODRIGUES, Sharon; WILLEMS, Florian et al.Fertility and sterility. 2007, Vol 88, Num 1, pp 176-187, issn 0015-0282, 12 p.Article

Association between sex hormone-binding globulin levels and activated protein C resistance in explaining the risk of thrombosis in users of oral contraceptives containing different progestogensVAN VLIET, Huib A. A. M; FROLICH, Marijke; THOMASSEN, M. Christella L. G. D et al.Human reproduction (Oxford. Print). 2005, Vol 20, Num 2, pp 563-568, issn 0268-1161, 6 p.Article

Involvement of membrane-type matrix metalloproteinases (MT-MMPs) in capillary tube formation by human endometrial microvascular endothelial cells: Role of MT3-MMPPLAISIER, Margreet; KAPITEIJN, Kitty; KOOLWIJK, Pieter et al.The Journal of clinical endocrinology and metabolism. 2004, Vol 89, Num 11, pp 5828-5836, issn 0021-972X, 9 p.Article

Enhanced angiogenic capacity and urokinase-type plasminogen activator expression by endothelial cells isolated from human endometriumKOOLWIJK, Pieter; KAPITEIJN, Kitty; MOLENAAR, Bibi et al.The Journal of clinical endocrinology and metabolism. 2001, Vol 86, Num 7, pp 3359-3367, issn 0021-972XArticle

Thromboprophylaxis for recurrent miscarriage in women with or without thrombophilia: HABENOX*: A randomised multicentre trialVISSER, Jantien; ULANDER, Veli-Matti; HELMERHORST, Frans M et al.Thrombosis and haemostasis. 2011, Vol 105, Num 2, pp 295-301, issn 0340-6245, 7 p.Article

Human embryo-conditioned medium stimulates in vitro endometrial angiogenesisKAPITEIJN, Kitty; KOOLWIJK, Pieter; VAN DER WEIDEN, Robin M. F et al.Fertility and sterility. 2006, Vol 85, pp 1232-1239, issn 0015-0282, 8 p., SUP1Article

Biphasic versus monophasic oral contraceptives for contraception: a Cochrane reviewVAN VLIET, Hubertus A. A. M; GRIMES, David A; HELMERHORST, Frans M et al.Human reproduction (Oxford. Print). 2002, Vol 17, Num 4, pp 870-873, issn 0268-1161Article

Increase in daily LH secretion in response to short-term calorie restriction in obese women with PCOSVAN DAM, Eveline W. C. M; ROELFSEMA, Ferdinand; VELDHUIS, Johannes D et al.American journal of physiology. Endocrinology and metabolism. 2002, Vol 45, Num 4, pp E865-E872, issn 0193-1849Article

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