[Clinical significance of two-tier grading system of ovarian serous carcinoma].

@article{Zhang2011ClinicalSO,
  title={[Clinical significance of two-tier grading system of ovarian serous carcinoma].},
  author={Jing Zhang and Xiao-qing Guo and Jing-song Liu},
  journal={Zhonghua fu chan ke za zhi},
  year={2011},
  volume={46 10},
  pages={739-41}
}