1. Non-invasive physical treatments for chronic/recurrent headache;Bronfort;Cochrane Database Syst Rev,2004
2. Is cervical spinal manipulation dangerous?;Licht;J Manipulative Physiol Ther,2003
3. Vertebrobasilar complications following spinal manipulations;Terrett,2001
4. Chiropractic manipulation and stroke: a population-based case-control study;Rothwell;Stroke,2001
5. Dissection of the extracranial internal carotid artery: 62 cases;d'Anglejan-Chatillon;Presse Med,1990