@article{a.o. moeck2002versus,
  title={Tibolone versus 17B-estradiol/norethisterone: Effects on the prolif era ti on of human breast cancer cells},
  author={c. lippert,h. seeger,d. wallwiener,a.o. moeck},
  journal={European Journal of Gynaecological Oncology},
  volume={23},
  number={2},
  pages={127--130},
  doi = {10.12892/ejgo200202127},
  year={2002}
}