[Laboratory and clinical study with a new progestagen combined with ethinyl estradiol used in contraception].

@article{Galan1985LaboratoryAC,
  title={[Laboratory and clinical study with a new progestagen combined with ethinyl estradiol used in contraception].},
  author={Gayle Galan and P Gay{\'a}n and L Tisn{\'e}},
  journal={Revista chilena de obstetricia y ginecologia},
  year={1985},
  volume={50 4},
  pages={317-24}
}