@article{w. h. su2001treatment,
  title={Successful treatment of a persistent mole with myometrial invasion by direct injection of methotrexate},
  author={w. h. su,p. h. wang,s.-p. chang},
  journal={European Journal of Gynaecological Oncology},
  volume={22},
  number={4},
  pages={283--286},
  doi = {10.12892/ejgo200104283},
  year={2001}
}