@article{n.j. agnantis2004role,
  title={The role of tumor markers in non-palpable breast cancers},
  author={a.c. goussia,d. stefanou,n.j. agnantis},
  journal={European Journal of Gynaecological Oncology},
  volume={25},
  number={5},
  pages={559--561},
  doi = {10.12892/ejgo200405559},
  year={2004}
}