1. The accuracy of self-reports of voting;Abelson,1994
2. American Academy of Sleep Medicine. International Classification of Sleep Disorders, Revised: Diagnostic and Coding Manual. American Academy of Sleep Medicine, Rochester, Minnesota, 2001.
3. Precision, reliability and accuracy in the dating of symptom onsets in child and adolescent psychopathology;Angold;Journal of Child Psychology and Psychiatry and Allied Disciplines,1996
4. American Psychiatric Association. Diagnostic and statistical manual of mental disorders, 4th Ed. – Text Revision. Washington, DC: American Psychiatric Association; 2000.
5. Prevalence of sleep disorders in the Los Angeles Metropolitan area;Bixler;American Journal of Psychiatry,1979