Sciatic nerve impingement from piriformis hematoma due to prolonged labor.

@article{Ku1995SciaticNI,
  title={Sciatic nerve impingement from piriformis hematoma due to prolonged labor.},
  author={Aubrey Ku and Helmut Kern and Esther Lachman and Willibald Nagler},
  journal={Muscle & nerve},
  year={1995},
  volume={18 7},
  pages={789-90}
}