1. Sutural growth of the upper face studied by the implant method;Report of the Congress European Orthodontic Society,(1964)
2. The prevalence of malocclusion in Swedish schoolchildren;Scandinavian Journal of Dental Research,1973)
3. Prevalence and distribution of selected occlusal characteristics in the US population, 1988–1991;Journal of Dental Research,(1996)
4. Prevalence and change of malocclusions from primary to early permanent dentition: a longitudinal study;The Angle Orthodontist,(2015)
5. Long-term skeletal changes with rapid maxillary expansion: a systematic review;The Angle Orthodontist,(2005)