1. Medical interviewing: a programmed manual;Froelich,1972
2. A course on behavioral skills and the psychological aspects of dentistry;Bowden;J Dent Educ,1975
3. Sources of dental fear: psychological implications for dental training and practice;Kleinknecht,1977
4. Origin and characteristics of fear of dentistry;Kleinknecht;JADA,1973
5. Patient motivation: a new challenge to the dental profession for effective control of plaque;Wentz;JADA,1972