Chapman, P., & Nasser, B. (1996). Prevalence of orofacial injuries and use of mouthguards in high school Rugby Union. Australian dental journal, 41(4), S. 252-255.

Chapman, P.J., and B.P Nasser. "Prevalence of Orofacial Injuries and Use of Mouthguards in High School Rugby Union." Australian Dental Journal 41, no. 4 (1996): S. 252-255.

Chapman, P.J., and B.P Nasser. "Prevalence of Orofacial Injuries and Use of Mouthguards in High School Rugby Union." Australian Dental Journal 41.4 (1996): S. 252-255.