Ultrasound shows carotid stenosis in just half of cervical bruit cases.

@article{Check1984UltrasoundSC,
  title={Ultrasound shows carotid stenosis in just half of cervical bruit cases.},
  author={William A. Check},
  journal={JAMA},
  year={1984},
  volume={252 5},
  pages={593-4}
}