@article{articleee787451,
title   = {Effects of two oral contraceptives, containing 30 or 20 'mü' of ethinyl estradiol in combination with gestodene, on blood coagulation and fibrinolysis in brazilian women},
author = {Ferreira, Ana Carla Pereira and Montes, Marlise Boneti Agostinho and Franceschini, Silvio Antonio and Toloi, Maria Regina Torqueti},
year = {2001},
journal   = {International Journal of Fertility}
}