@article{k. takeuchi2005of,
  title={Coexistence of Brenner tumor and struma ovarii: case report},
  author={k. takeuchi,c. ohbayashi,s. kitazawa,n. ohara,t. maruo},
  journal={European Journal of Gynaecological Oncology},
  volume={26},
  number={1},
  pages={109--110},
  doi = {10.12892/ejgo200501109},
  year={2005}
}