Cohen AM. Uncertainty in cephalometries. Brit Orthod Journal 1984; 11:44-8. Search in Google Scholar
Horey J, Olsen M. Windows. Australian PC User 1990; 2: 30-42. Search in Google Scholar
Mollenhauer B. Digitizers. Aust Orthod Journal 1990; 11: 205-6. 201 Search in Google Scholar
Ricketts M. The value of cephalometries and computerized technology. Angle Orthod 1972; 42: 179-99. Search in Google Scholar
RMO. JOE Jiffy Orthodontic Evaluation. Rocky Mountain Orthodontics information brochure, Denver, Colorado 1992. Search in Google Scholar