@article{j.b. liao2001receptor,
  title={Estrogen receptor expression in an endometrial stromal sarcoma after tamoxif en therapy},
  author={j.b. liao,j. y. lin},
  journal={European Journal of Gynaecological Oncology},
  volume={22},
  number={6},
  pages={417--419},
  doi = {10.12892/ejgo200106417},
  year={2001}
}