@article{z. ding2008rare,
  title={Two rare cases of methotrexate-induced pneumonitis and pleurisy in patients with gestational trophoblastic neoplasms},
  author={d. zhang,z. ding,j. qian,x. xie,y. wang},
  journal={European Journal of Gynaecological Oncology},
  volume={29},
  number={4},
  pages={390--392},
  doi = {10.12892/ejgo200804390},
  year={2008}
}