@article{yanping li2018between,
  title={Correlation between the intrinsic subtype and diagnostic methodsof axillary lymph node metastasis in primary breast cancer},
  author={yu feng,yunchao wang,xia zhao,ying mu,shuzhen lv,yanping li},
  journal={European Journal of Gynaecological Oncology},
  volume={39},
  number={6},
  pages={921--925},
  doi = {10.12892/ejgo4009.2018},
  year={2018}
}