@article{g. porzio2001breast,
  title={Ductal breast carcinoma metastatic to the vulva: a case report},
  author={g. porzio,c. ficorella,g. calvisi,i. paris,e. ricevuto,p. marchetti},
  journal={European Journal of Gynaecological Oncology},
  volume={22},
  number={2},
  pages={147--148},
  doi = {10.12892/ejgo200102147},
  year={2001}
}