Extracranial-intracranial arterial bypass.

@article{Whisnant1978ExtracranialintracranialAB,
  title={Extracranial-intracranial arterial bypass.},
  author={Jack P. Whisnant},
  journal={Neurology},
  year={1978},
  volume={28 3},
  pages={209-10}
}