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van der Meer, FJM
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de Groot, CJM
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Duvekot, EJ
Helmerhorst, FM
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Authors:
Koolwijk, P
Kapiteijn, K
Molenaar, B
van Spronsen, E
van der Vecht, B
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Citation: P. Koolwijk et al., Enhanced angiogenic capacity and urokinase-type plasminogen activator expression by endothelial cells isolated from human endometrium, J CLIN END, 86(7), 2001, pp. 3359-3367
Authors:
Ludicke, F
Johannisson, E
Helmerhorst, FM
Campana, A
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Heithecker, R
Citation: F. Ludicke et al., Effect of a combined oral contraceptive containing 3 mg of drospirenone and 30 mu g of ethinyl estradiol on the human endometrium, FERT STERIL, 76(1), 2001, pp. 102-107
Authors:
Bloemenkamp, KWM
Helmerhorst, FM
Rosendaal, FR
Vandenbroucke, JP
Citation: Kwm. Bloemenkamp et al., Lack of objectivity in the debate concerning third-generation oral contraceptives and venous thrombosis - In reply, ARCH IN MED, 161(3), 2001, pp. 484-485
Authors:
Vandenbroucke, JP
Helmerhorst, FM
Rosendaal, FR
Citation: Jp. Vandenbroucke et al., Competing interests and controversy about third generation oral contraceptives - BMJ readers should know whose words they read, BR MED J, 320(7231), 2000, pp. 381-382
Authors:
Vandenbroucke, JP
Bloemenkamp, KWM
Rosendaal, FR
Helmerhorst, FM
Citation: Jp. Vandenbroucke et al., Incidence of venous thromboembolism in users of combined oral contraceptives - Risk is particularly high with first use of oral contraceptives, BR MED J, 320(7226), 2000, pp. 57-57
Authors:
Oelkers, W
Helmerhorst, FM
Wuttke, W
Heithecker, R
Citation: W. Oelkers et al., Effect of an oral contraceptive containing drospirenone on the renin-angiotensin-aldosterone system in healthy female volunteers, GYNECOL END, 14(3), 2000, pp. 204-213
Citation: J. Koudstaal et al., Obstetric outcome of twin pregnancies after in-vitro fertilization: a matched control study in four Dutch University hospitals, HUM REPR, 15(4), 2000, pp. 935-940
Authors:
Bloemenkamp, KWM
Rosendaal, FR
Helmerhorst, FM
Vandenbroucke, JP
Citation: Kwm. Bloemenkamp et al., Higher risk of venous thrombosis during early use of oral contraceptives in women with inherited clotting defects, ARCH IN MED, 160(1), 2000, pp. 49-52
Citation: Sg. Oei et al., Postcoital testing - Postcoital test should be performed as routine infertility test - Reply, BR MED J, 318(7189), 1999, pp. 1008-1009
Citation: Fm. Helmerhorst et al., Antisperm antibodies - Detection assays for antisperm antibodies: what do they test?, HUM REPR, 14(7), 1999, pp. 1669-1671
Authors:
Van der Westerlaken, LAJ
Helmerhorst, FM
Hermans, J
Naaktgeboren, N
Citation: Laj. Van Der Westerlaken et al., Intracytoplasmic sperm injection: position of the polar body affects pregnancy rate, HUM REPR, 14(10), 1999, pp. 2565-2569
Citation: Kwm. Bloemenkamp et al., Risk of venous thrombosis with use of current low-dose oral contraceptivesis not explained by diagnostic suspicion and referral bias, ARCH IN MED, 159(1), 1999, pp. 65-70