@article{t. shigematsu2000polymorphism,
  title={DNA polymorphism analysis of a pure non-gestational choriocarcinoma of the ovary: case report},
  author={t. shigematsu,t. kamura,t. arima,n. wake,h. nakano},
  journal={European Journal of Gynaecological Oncology},
  volume={21},
  number={2},
  pages={153--154},
  doi = {10.12892/ejgo200002153},
  year={2000}
}