@article{han shuwen2018appearing,
  title={Osteosarcoma appearing in the uterus as malignant mixed Müllerian tumor},
  author={liu jin,yang xi,zhang wenyuan,ping jinliang,zhong liping,han shuwen},
  journal={European Journal of Gynaecological Oncology},
  volume={39},
  number={3},
  pages={488--492},
  doi = {10.12892/ejgo3991.2018},
  year={2018}
}