1. 1. The American Academy of Pediatric (1994) Guidelines for behavior management of The American Academy of Pediatric Dentistry. Va Dent J 71, 20-25
2. 2. Do C (2004) Applying the social leaning theory to children with dental anxiety. J Contemp Dent Pract 5, 1-8
3. 3. Frankl SN, Shiere FR, Fogels HR (1962) Should the parent remain with the child in the dental operatory? J Dent Child 29, 150-163
4. 4. Tsuchiya T, Hozawa S, Waki N, Kurosu K (1975) Effectiveness of audioanalgesia in Dental Procedure. 1. Questionnaire and observation of external behavior in children. Aichi Gakuin Daigaku Shigakkai Shi 13, 184-198 (in Japanese)
5. 5. Leventhal H, Sharp E (1965) Facial expression as indicators of distress. In Affect, cognition and personality: empirical studies, Tomkins SS, Izard CE eds, Springer, New York, 296-318