1. Occlusal outcome of orthodontic treatment;Al Yami;Angle Orthod,1998
2. Evaluation of the peer assessment rating (PAR) index as an index of orthodontic treatment need;Firestone;Am J Orthod Dentofacial Orthop,2002
3. Evaluation of orthodontists’ perception of treatment need and the peer assessment rating (PAR) index;McGorray;Angle Orthod,1999
4. Orthodontic outcomes assessment using the peer assessment rating index;Dyken;Angle Orthod,2001