@article{b. piura2006choriocarcinoma,
  title={Intraplacental choriocarcinoma metastasizing to the maternal lung},
  author={d. landau,e. maor,e. maymon,a. rabinovich,b. piura},
  journal={European Journal of Gynaecological Oncology},
  volume={27},
  number={1},
  pages={29--32},
  doi = {10.12892/ejgo20060129},
  year={2006}
}