@article{mingfeng he2021ultrasound-guided,
  title={Real-time ultrasound-guided vs. anatomical landmark-guided paramedian epidural anesthesia in overweight parturients undergoing analgesic labor: a randomized controlled trial},
  author={jindi jiang,yujie xu,mingfeng he},
  journal={Signa Vitae},
  volume={17},
  number={6},
  pages={66--73},
  doi = {10.22514/sv.2021.218},
  year={2021}
}