The vertebral artery. Extracranial and intracranial structure.

@article{Wilkinson1972TheVA,
  title={The vertebral artery. Extracranial and intracranial structure.},
  author={Iain Wilkinson},
  journal={Archives of neurology},
  year={1972},
  volume={27 5},
  pages={392-6}
}