@article{h. saygili2006and,
  title={Tissue and plasma carcinoembryonic antigen concentration in gynecologic malignancies},
  author={h. saygili},
  journal={European Journal of Gynaecological Oncology},
  volume={27},
  number={2},
  pages={153--154},
  doi = {10.12892/ejgo200602153},
  year={2006}
}