@article{ž. bojić-trbojević2012of,
  title={Expression of tumor associated antigens CA 15-3 and CA 19-9 in trophoblast of the normal human placenta},
  author={ž. bojić-trbojević,m. jovanović krivokuća,s. vrzić-petronijević,m. petronijević,l. vićovac},
  journal={European Journal of Gynaecological Oncology},
  volume={33},
  number={3},
  pages={281--284},
  doi = {10.12892/ejgo201203281},
  year={2012}
}