Complete References for Chiropractic Manipulation

19. The American Chiropractic Association: Facts & Statistics about Chiropractic. http://www.acatoday.org/level2_css.cfm?T1ID=21&T2ID=95 (July 2009).

20. Unsworth A, Dowson D, Wright V. Cracking joints: a bioengineering study of cavitition in the metacarpophalangeal joint. Ann Rheum Dis 1971; 30:348-58.

21. A Cassidy JD, Quon JA, et al. The immediate effect of manipulation on pain and range of motion in the cervical spine: A pilot study. J Manip Physiol Ther 1992; 15:495-500.

22. Cassidy JD, Lopes AA, et al. The immediate effect of manipulation versus mobilization on pain and range of motion in the cervical spine: A randomized controlled trial. J Manip Physiol Ther 1992; 15:570-575.

23. Terrett ACJ, Vernon H. Manipulation and pain tolerance. Am J Phys Med 1984; 63:217-225.

24. Vernon H, Aker P, et al. Pressure pain threshold evaluation of the effect of spinal manipulation in the treatment of chronic neck pain: A pilot study. J Manip Physiol Ther 1990; 13:13-16.

25. Shambaugh P. Canges in electrical activity in muscles resulting from chiropractic adjustment: A pilot study. J Manip Physiol Ther 1987; 10:300-304.

26. Harris W, Wagnon RJ. The effects of chiropractic adjustments on distal skin temperature. J Manip Physiol Ther 1987; 10:57-60.

27. and 28. Tran TA, Kirby JD. The effectiveness of upper cervical adjustment upon the normal physiology of the heart. ACA J Chiro 1977; XI S 58-62.

29. Yates RG, Lamping DL, et al. Effects of chiropractic treatment on blood pressure and anxiety: A randomized, controlled trial. J Manip Physiol Ther 1988; 11:484-488.

30. Dhami MSI, Coyle BA, et al. Evidence for sympathetic neuron stimulation by cervicospinal manipulation, in Proceedings of the first annual conference on research and education of Pacific Consortium for Chiropractic Research, California Chiropractic Association, Sacramento, CA:A5 1-5.

31. Vernon HT, Dhami MSI, et al. Spinal manipulation and Beta-endorphin: A controlled study of the effect of a spinal manipulation on plasma beta-endorphin levels in normal males. J Manip Physiol Ther 1986; 9:115-123.

32. Brennan PC, Triano JJ, et al. Enhanced neutrophil respiratory burst as a biological marker for manipulation forces: Duration of the effect and association with Substance P and tumor necrosis factor. J Manip Physiol Ther 1992; 15:83-89.

33. Briggs L, Boone WR. Effects of a chiropractic adjustment on changes in pupillary diameter: A model for evaluating somatovisceral response. J Manip Physiol Ther 1988; 181-189.