1. Contemporary orthodontics;Proffitt,1993
2. Analysis of the craniofacial skeleton: cephalometrics;Moyers,1988
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4. Normal radiographic anatomy and common anomalies seen in cephalometric films;Kantor;Am J Orthod Dentofacial Orthop,1987
5. Screening panoramic radiographs in children: prevalence data and implications;Ignelzi;Pediatr Dent,1989