1. A radiographic study of facial asymmetry;Hewitt;Br J Orthod,1975
2. Assessment of midline discrepancies on the posteroanterior cephalometric radiograph;Svanholt;Trans Eur Orthod Soc,1977
3. An overview of computerized cephalometrics;Ricketts;Am J Orthod,1972
4. A frontal asymmetry analysis;Grummons;J Clin Orthod,1987
5. A posteroanterior cephalometric evaluation of craniofacial asymmetry;Letzer;Angle Orthod,1967