1. The prevalence of malocclusion in Swedish schoolchildren;Thilander;Scand J Dental Res.,1973
2. A survey of malocclusion and the need for orthodontic treatment in a Shropshire school population;Foster;Br J Orthod.,1974
3. The prevalence of malocclusion amongst Hong Kong male dental students;Tang;Br J Orthod.,1994
4. Components of Class II malocclusion in children 8-10 years of age;McNamara;Angle Orthod.,1981
5. Components of a Class II malocclusion in juveniles and adolescents;Guyer;Angle Orthod.,1986