C1/C2 rotary subluxation due to spasmodic torticollis.

@article{Dalvie2000C1C2RS,
  title={C1/C2 rotary subluxation due to spasmodic torticollis.},
  author={Suchitra S Dalvie and A Peter Moore and Gordon F. G. Findlay},
  journal={Journal of neurology, neurosurgery, and psychiatry},
  year={2000},
  volume={69 1},
  pages={135-6}
}