Effects on coagulation of levonorgestrel- and desogestrel-containing low dose oral contraceptives : a cross-over studyMIDDELDORP, S; MEIJERS, J. C. M; VAN DEN ENDE, A. E et al.Thrombosis and haemostasis. 2000, Vol 84, Num 1, pp 4-8, issn 0340-6245Article

Increased fibrinolytic activity during use of oral contraceptives is counteracted by an enhanced factor XI-independent down regulation of fibrinolysis: A randomized cross-over study of two low-dose oral contraceptivesMEIJERS, J. C. M; MIDDELDORP, S; TEKELENBURG, W et al.Thrombosis and haemostasis. 2000, Vol 84, Num 1, pp 9-14, issn 0340-6245Article