1. Orthodontic outcomes assessment using the peer assessment rating index;Dyken;Angle Orthod.,2001
2. The development of the PAR Index (Peer Assessment Rating): reliability and validity
3. Associations between pretreatment age and treatment time with orthodontic treatment outcome: A comparison by means of two orthodontic indices;Onyeaso;Hell Orthod. Rev.,2008
4. Directional edgewise orthodontic approach;Hickman;J. Clin. Orthod.,1975
5. Treatment results in dental school orthodontic patients in 1983 and 1993;Firestone;Angle Orthod.,1999