References
- Bartschi-Rochaix, W. (1949) Migraine cervicale, Hans Huber, Bern
- Frykholm, R. (1951) Lower cervical vertebrae and the intervertebral discs. Acta chir. Scand, 101, p. 345.
- Kovacs, A. (1955) Subluxation and deformation of the cervical apophyseal joints. Acta radiol, 43, p. 1.
- Krogdahl, T. and Torgersen, O. (1940) Die »Unco-Vertebralgelenke« und die »Arthrosis deformans unco-vertebralis«. Acta radiol, 21, p. 231.