@article{a. ayhan 2000dysgeminoma,
  title={Pure dysgeminoma of the ovary:  a review of 45 well staged cases},
  author={a. ayhan ,i. bildirici,s. giinalp,k. yuce},
  journal={European Journal of Gynaecological Oncology},
  volume={21},
  number={1},
  pages={98--101},
  doi = {10.12892/ejgo20000198},
  year={2000}
}