@article{z. duan2012case,
  title={A case of occult bowel perforation after a cycle of chemotherapy for advanced epithelial ovarian carcinoma},
  author={x. zhou,p. hu,y. yue,z. duan},
  journal={European Journal of Gynaecological Oncology},
  volume={33},
  number={5},
  pages={540--542},
  doi = {10.12892/ejgo201205540},
  year={2012}
}