@article{b. refky2017gastrointestinal,
  title={Ovarian gastrointestinal stromal tumor: does this diagnosis exist},
  author={k.m. gaballa,i.h. metwally,b. refky,m. abdelkhalek,s. saleh,a.m. abdelaziz,m. arafa},
  journal={European Journal of Gynaecological Oncology},
  volume={38},
  number={1},
  pages={147--149},
  doi = {10.12892/ejgo3403.2017},
  year={2017}
}