@article{x.q. wang2020and,
  title={Characteristics and prognostic factors among
premenopausal versus postmenopausal patients with
advanced endometrial cancer: a SEER-based analysis},
  author={x.q. wang,s.q. ma,j.y. guo,f. zhao,x.h. liang},
  journal={European Journal of Gynaecological Oncology},
  volume={41},
  number={1},
  pages={1--6},
  doi = {10.31083/j.ejgo.2020.01.5172},
  year={2020}
}