1. Australian Physiotherapy Association (1988): Protocol for pre-manipulative testing of the cervical spine. Australian Journal of Physiotherapy 34: 97–100.
2. Angiographic diagnosis and rheologic properties of blood in vertebrobasilar insufficiency caused by scalenus anticus syndrome;Apsatarov;Kardiologiia,1988
3. Rotational obstruction of the vertebral artery at the atlantoaxial joint;Barton;Neuroradiology,1975
4. Vertebrobasilar ischemia;Becker;New Horizons,1997
5. Biomechanical properties of canine vertebral and internal carotid arteries;Berczi;Acta Physiologica Hungarica,1990