@article{w. a. a. tjalma2005sarcomatoid,
  title={Biphasic sarcomatoid carcinoma or carcinosarcoma of the breast: prognosis and therapy},
  author={j. cornette,w. a. a. tjalma,p. buytaert},
  journal={European Journal of Gynaecological Oncology},
  volume={26},
  number={5},
  pages={514--516},
  doi = {10.12892/ejgo200505514},
  year={2005}
}