A systematic review of reliability and objective criterion-related validity of physical activity questionnaires
Helmerhorst, Hendrik J F, Brage, Søren, Warren, Janet, Besson, Herve, Ekelund, Ulf
Published in The international journal of behavioral nutrition and physical activity (31.08.2012)
Published in The international journal of behavioral nutrition and physical activity (31.08.2012)
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Journal Article
Perinatal outcome of singletons and twins after assisted conception: a systematic review of controlled studies
Helmerhorst, Frans M, Perquin, Denise A M, Donker, Diane, Keirse, Marc J N C
Published in BMJ (31.01.2004)
Published in BMJ (31.01.2004)
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Journal Article
Risk of borderline and invasive ovarian tumours after ovarian stimulation for in vitro fertilization in a large Dutch cohort
van Leeuwen, F.E., Klip, H., Mooij, T.M., van de Swaluw, A.M.G., Lambalk, C.B., Kortman, M., Laven, J.S.E., Jansen, C.A.M., Helmerhorst, F.M., Cohlen, B.J., Willemsen, W.N.P., Smeenk, J.M.J., Simons, A.H.M., van der Veen, F., Evers, J.L.H., van Dop, P.A., Macklon, N.S., Burger, C.W.
Published in Human reproduction (Oxford) (01.12.2011)
Published in Human reproduction (Oxford) (01.12.2011)
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Journal Article
The risk of venous thrombosis in women over 50years old using oral contraception or postmenopausal hormone therapy
ROACH, R. E. J, LIJFERING, W. M, HELMERHORST, F. M, CANNEGIETER, S. C, ROSENDAAL, F. R, van HYLCKAMA VLIEG, A
Published in Journal of thrombosis and haemostasis (01.01.2013)
Published in Journal of thrombosis and haemostasis (01.01.2013)
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Journal Article
Female Hormones and Thrombosis
Rosendaal, F R, Helmerhorst, F M, Vandenbroucke, J P
Published in Arteriosclerosis, thrombosis, and vascular biology (01.02.2002)
Published in Arteriosclerosis, thrombosis, and vascular biology (01.02.2002)
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Journal Article
Assisted reproductive technology and pregnancy outcomes
Helmerhorst, FM, Keirse, MJNC
Published in BJOG : an international journal of obstetrics and gynaecology (01.07.2016)
Published in BJOG : an international journal of obstetrics and gynaecology (01.07.2016)
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Journal Article
The risk of venous thrombosis in women over 50 years old using oral contraception or postmenopausal hormone therapy
ROACH, R. E. J., LIJFERING, W. M., HELMERHORST, F. M., CANNEGIETER, S. C., ROSENDAAL, F. R., van HYLCKAMA VLIEG, A.
Published in Journal of thrombosis and haemostasis (01.01.2013)
Published in Journal of thrombosis and haemostasis (01.01.2013)
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Journal Article
Decidual vascularization and the expression of angiogenic growth factors and proteases in first trimester spontaneous abortions
Plaisier, M., Dennert, I., Rost, E., Koolwijk, P., van Hinsbergh, V.W.M., Helmerhorst, F.M.
Published in Human reproduction (Oxford) (01.01.2009)
Published in Human reproduction (Oxford) (01.01.2009)
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Journal Article
Hyperoxia provokes a time- and dose-dependent inflammatory response in mechanically ventilated mice, irrespective of tidal volumes
Helmerhorst, Hendrik J. F., Schouten, Laura R. A., Wagenaar, Gerry T. M., Juffermans, Nicole P., Roelofs, Joris J. T. H., Schultz, Marcus J., de Jonge, Evert, van Westerloo, David J.
Published in Intensive care medicine experimental (26.05.2017)
Published in Intensive care medicine experimental (26.05.2017)
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Journal Article
Estrogens, progestogens and thrombosis
Rosendaal, F. R., Van Hylckama Vlieg, A., Tanis, B. C., Helmerhorst, F. M.
Published in Journal of thrombosis and haemostasis (01.07.2003)
Published in Journal of thrombosis and haemostasis (01.07.2003)
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Journal Article
Matched follow-up study of 5–8-year-old ICSI singletons: child behaviour, parenting stress and child (health-related) quality of life
Knoester, M., Helmerhorst, F.M., van der Westerlaken, L.A.J., Walther, F.J., Veen, S.
Published in Human reproduction (Oxford) (01.12.2007)
Published in Human reproduction (Oxford) (01.12.2007)
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Journal Article
Oral contraceptives, hormone replacement therapy and thrombosis
Rosendaal, F R, Helmerhorst, F M, Vandenbroucke, J P
Published in Thrombosis and haemostasis (01.07.2001)
Published in Thrombosis and haemostasis (01.07.2001)
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Journal Article
Oral Contraceptives and the Risk of Venous Thrombosis
Vandenbroucke, Jan P, Rosing, Jan, Bloemenkamp, Kitty W.M, Middeldorp, Saskia, Helmerhorst, Frans M, Bouma, Bonno N, Rosendaal, Frits R
Published in The New England journal of medicine (17.05.2001)
Published in The New England journal of medicine (17.05.2001)
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Journal Article