Brown, J. C., Lambert, M. I., Verhagen, E., Readhead, C., van Mechelen, W., & Viljoen, W. (2013). The incidence of rugby-related catastrophic injuries (including cardiac events) in South Africa from 2008 to 2011: A cohort study. BMJ Publishing Group.

Brown, James Craig, Mike I. Lambert, Evert Verhagen, Clint Readhead, Willem van Mechelen, و Wayne Viljoen. The Incidence of Rugby-related Catastrophic Injuries (including Cardiac Events) in South Africa From 2008 to 2011: A Cohort Study. BMJ Publishing Group, 2013.

Brown, James Craig, et al. The Incidence of Rugby-related Catastrophic Injuries (including Cardiac Events) in South Africa From 2008 to 2011: A Cohort Study. BMJ Publishing Group, 2013.