Arriaza, R. and Leyes, M. (2005) Injury profile in competitive karate: prospective analysis of three consecutive world karate championships. Knee Surgery Sports Traumatology Arthroscopy 13, 603-607.

Birrer, R. and Halbrook, S. (1988) Martial arts injuries: the results of a five year national survey. American Journal of Sports Medicine 16, 408-410.

Bledsoe, G. H., Hsu, E., Grabowski, J., Brill, J. and Li, G. (2006) Incidence of injury in mixed martial arts competition. Journal of Sports Science & Medicine 5, 136-142.

Ioannou, S. (1984) Should boxing be banned? Canadian Medicine Association Journal 131, 10.

Jarret, G. J., Orwin, J. F. and Dick, R. W. (1998) Injuries in collegiate wrestling. American Journal of Sports Medicine 26, 674-680.

Koh, J., Cassidy, J. and Watkinson, J. (2003) Incidence of concussion in contact sports: a systematic review of the evidence. Brain Injury 17, 901-917.

Lundberg, G. (1983), Boxing should be banned in civilized countries. Journal of the American Medical Association 249, 250.

Oler, M., Tomson, W., Pepe, H., Yoon, D., Branoff, R. and Branch, J. (1991) Morbidity and mortality in the martial arts: a warning. Journal of Trauma 31, 251-253.

Pasque, C. and Hewett, T. (2000) A prospective study of high school wrestling injuries. American Journal of Sports Medicine 28, 509-515.

Porter, M. and O'Brien, M. (1996) Incidence and severity of injuries resulting from amateur boxing in Ireland. Clinical Journal of Sport Medicine 6, 97-101.

Roos, H., Lauren, M., Adalberth, T., Roos, E., Jonsson, K. and Lohmander, L. (1998). Knee osteoarthritis after meniscectomy: prevalence of radiographic changes after twenty-one years, compared with matched controls. Arthritis Rheumatism 41: 687-693.

Schwartz, M., Hudson, A., Fernie, G., Hayashi, K. and Coleclough, A. (1986) Biomechanical study of full-contact karate contrasted with boxing. Journal of Neurosurgery 64, 248-252.

Tenvergert, E., TenDuis, H. and Klasen, H. (1992) Trends in sports injuries, 1982-1988: an in-depth study of four types of sport. Journal of Sports Medicine & Physical Fitness 32, 214-220.

von Porat, A., Roos, E. and Roos, H. (2004) High prevalence of osteoarthritis 14 years after an anterior cruciate ligament tear in male soccer players-a study of radiographic and patient-relevant outcomes. Annals of the Rheumatic Diseases 63, 269-273.

Zazryn, T., Cameron, P. and McCrory, P. (2006) A prospective cohort study of injury in amateur and professional boxing. British Journal of Sports Medicine 40, 670-674.

Zazryn, T., Finch, C. and McCrory, P. (2003) A 16 year study of injuries to boxers in the state of Victoria, Australia. British Journal of Sports Medicine 37, 321-324.

Zetaruk, M. N., Violan, M. A., Zurakowski, D. and Micheli, L. J. (2005) Injuries in martial arts: A comparison of five styles. British Journal of Sports Medicine 39, 29-33.