@article{e. i̇lter2017really,
  title={HE4: really a novel biomarker for ovarian cancer?},
  author={e. yücel,e. i̇lter,f.b. aksungar,a. çelik,b.h. peker,e. şerifsoy,s. bozkurt},
  journal={European Journal of Gynaecological Oncology},
  volume={38},
  number={1},
  pages={59--64},
  doi = {10.12892/ejgo3312.2017},
  year={2017}
}