1. Cause and frequency of intraoral x-ray errors by dental and hygiene students;Crandell;J Dent Educ,1958
2. The American Academy of Dental Radiology training requirements in radiology for the dental assistant;Crandell;Dent Assist,1970
3. Training requirements in dental radiology for hygienists;Crandell;J Am Dent Hyg Assoc,1970
4. Evaluation criteria for intraoral radiographic film quality;Wuchrmann;J Am Dent Assoc,1974
5. A study to develop a rating system and evaluate dental radiographs submitted to a third party carrier;Beideman;J Am Dent Assoc,1976