@article{s. sinan ozalp2001hospital-based,
  title={A hospital-based rnulticentric study results on gestational trophoblastic disease management status in a developing country},
  author={s. sinan ozalp,0. t. yalcin,h. m. tanir},
  journal={European Journal of Gynaecological Oncology},
  volume={22},
  number={3},
  pages={221--222},
  doi = {10.12892/ejgo200103221},
  year={2001}
}