@article{b. cheng2012of,
  title={Outcomes of conservative surgery in early epithelial ovarian carcinoma},
  author={x. cheng,b. cheng,x. wan,w. lu,x. xie},
  journal={European Journal of Gynaecological Oncology},
  volume={33},
  number={1},
  pages={93--95},
  doi = {10.12892/ejgo20120193},
  year={2012}
}