@article{y. hashiguchi2020small,
  title={Secondary small cell carcinoma of the endometrium after
concurrent chemoradiotherapy for cervical cancer: a rare case},
  author={r. tasaka,y. hashiguchi,m. kasai,t. fukuda,t. ichimura,t. yasui,t. sumi},
  journal={European Journal of Gynaecological Oncology},
  volume={41},
  number={1},
  pages={142--144},
  doi = {10.31083/j.ejgo.2020.01.4813},
  year={2020}
}