Leach, A. (Ed.). (2004). The chiropractic theories: A textbook of scientific research (4th ed.). Philadelphia, PA: Lippincott Williams & Wilkins.
Haldeman, S., Chapman-Smith, D and Peterson, D.M. (Eds.). (1993). Guidelines for chiropractic quality assurance and practice parameters: Proceedings of a consensus conference commissioned by the Congress of Chiropractic State Associations. Gaithersburg, MD: Aspen Publishers.
Haldeman, S., Dagenais, S., and Budgel, B. (Eds.). (2005). Principles and practice of chiropractic. New York, NY: McGraw-Hill, Medical Pub. Division.
References
Peterson, D. H. & Bergmann, T.F. (2002). Chiropractic technique: Principles and procedures (2nd ed.). St. Louis, MO: Mosby.
Rothwell, D.M., Bondy, S.J. and Williams, J.I. (2001). Chiropractic manipulation and stroke: A population-based case-control study. Stroke, 32, 1054-1060.