1. Handicapping malocclusion assessment to establish treatment priority;Salzmann;Am. J. Orthod.,1968
2. A system for identifying and scoring occlusal disorders: The occlusal index;Summers,1966
3. Orthodontic treatment priority index;Grainger,1967
4. Malocclusion indices: A comparative evaluation;Grewe;Am. J. Orthod.,1972
5. Patient cooperation in orthodontic treatment;Kreit;J. Am. Coll. Dent.,1968