1. Reduction in dental x-ray exposures during the past 60 years;Richards;JADA,1981
2. The new Kodak Ektaspeed dental x-ray film;Silha;Dent Radiogr Photogr,1981
3. Influence of rectangular collimation and intraoral shielding on radiation dose in dental radiography;Winkler;JADA,1968
4. Leaded shields for thyroid dose reduction in intraoral dental radiography;Whitcher;Oral Surg Oral Med Oral Pathol,1979
5. The selection of patients for x-ray examinations: dental radiographic examinations;Dental Radiographic Patient Selection Criteria Panel;HHS Publication FDA 88-8273,1987