1. Evidence-based medicine: what it is and what it isn't;Sackett;Br Med J,1996
2. A meta-analysis of clinical trials of spinal manipulation;Anderson;J Manipulative Physiol Ther,1992
3. When to act on the evidence;Sheldon;Br Med J,1998
4. Evidence-based physiotherapy;Bithell;Physiotherapy,2000
5. Toward an evidence-based model for chiropractic education and practice;Delaney;J Manipulative Physiol Ther,1999