1. Health services research related to chiropractic: review and recommendations for research prioritization by the chiropractic profession;Mootz;J Manipulative Physiol Ther,1997
2. Manipulation and mobilization of the cervical spine: a systematic review of the literature;Hurwitz;Spine,1996
3. A critical analysis of randomised clinical trials on neck pain and treatment efficacy. A review of the literature;Kjellman;Scand J Rehabil Med,1999
4. The effectiveness of chiropractic manipulation in the treatment of headache: an exploration in the literature;Vernon;J Manipulative Physiol Ther,1995
5. A meta-analysis of clinical trials of spinal manipulation;Anderson;J Manipulative Physiol Ther,1992