[Several indices of the internal uterine environment during intrauterine contraception].

@article{Libenzon1976SeveralIO,
  title={[Several indices of the internal uterine environment during intrauterine contraception].},
  author={L L Libenzon and L I Vlasova},
  journal={Akusherstvo i ginekologiia},
  year={1976},
  volume={9},
  pages={19-21}
}