1. Group judgments of appropriateness: the effect of panel composition;Leape;Qual Assur Health Care,1992
2. Bigos S, Bowyer O, Braen G, et al. Acute low back problems in adults. Rockville (Md): Agency for Health Care Policy and Research, Public Health Service, U.S. Dept of Health and Human Services; 1994.
3. A guide to the development, implementation and evaluation of clinical practice guidelines;National Health and Medical Research Council,1999
4. How chiropractors think and practice: the survey of North American Chiropractors;McDonald;Semin Integr Med,2004
5. Job analysis of chiropractic;Christensen,2000