Robertson MC, Campbell AJ, Gardner MM, Devlin N: Preventing injuries in older people by preventing falls: a meta‐analysis of individual‐level data. Journal of the American Geriatrics Society 2002; 50(5): 905‐11.

Bergman GJ, Winters JC, Groenier KH, et al. Manipulative therapy in addition to usual medical care for patients with shoulder dysfunction and pain:a randomized,controlled trial. Ann Intern Med 2004; 141(6):432-9.

Gross AR, Hoving JL, Haines TA, et al. A Cochrane review of manipulation and mobilization for mechanical neck disorders. Spine 2004; 29(14):1541-8.

Hoving JL, Koes BW, De Vet HC, et al. Manual Therapy, Physical Therapy, or Continued Care by a General Practitioner for Patients with Neck Pain. Ann Intern Med 2002; 136:713-722.

Altman RD. Criteria for classification of clinical osteoarthritis. J Rheumatol Suppl. 1991; 27:10-2.

Deyle, G. D., N. E. Henderson, R. L. Matekel, M. G. Ryder, M. B. Garber, and S. C. Allison. Effectiveness of manual physical therapy and exercise in osteoarthritis of the knee. A randomized, controlled trial. Ann. Intern. Med. 132:173–181, 2000.