@article{s. yang2020differentiated,
  title={Poorly differentiated ovarian Sertoli-Leydig cell tumor
with heterologous rhabdomyosarcomatous elements
associated with elevated serum alpha-fetoprotein level:
a case report and review of the literature},
  author={z. hao,s. yang,x. deng},
  journal={European Journal of Gynaecological Oncology},
  volume={41},
  number={1},
  pages={138--141},
  doi = {10.31083/j.ejgo.2020.01.4806},
  year={2020}
}