@article{articled1cf50fc,
title   = {Third-generation progestogen type influences hemostatic changes caused by oral contraceptives in Brazilian women},
author = {Ferreira, Ana Carla Pereira and Montes, Marlise Boneti Agostinho and Franceschini, Silvio Antonio and Toloi, Maria Regina Torqueti},
year = {2001},
doi = {10.1016/s0010-7824(01)00274-8},
journal   = {Contraception}
}