@article{a. ayhan2003and,
  title={Survival and prognostic factors in patients with synchronous ovarian and endometrial cancers and endometrial cancers metastatic to the ovaries},
  author={a. ayhan,t. guvenal,f. coskun,m. basaran,m. c. salman},
  journal={European Journal of Gynaecological Oncology},
  volume={24},
  number={2},
  pages={171--174},
  doi = {10.12892/ejgo200302171},
  year={2003}
}