1. Agras, W. S., Sylvester, D., & Oliveau, D. (1969). The epidemiology of common fear and phobia. Comprehensive Psychiatry, 10, 151–156.
2. Akhtar, S., Wig, N. H., Verna, V. K., Pershad, D., & Verna, S. K. (1975). A phenomenological analysis of symptoms in obsessive-compulsive neuroses. British Journal of Psychiatry, 127, 342–348.
3. American Psychiatric Association. (1994). Diagnostic and statistical manual of mental disorders ( 4th ed. ). Washington, DC: Author.
4. Amies, P. L., Gelder, M. G., & Shaw, P. M. (1983). Social phobia: A comparative clinical study. British Journal of Psychiatry, 142, 174–179.
5. Anthony, J. C., Folstein, M., Romanoski, A. J., Von Korff, M. R., Nestadt, G. R., Chahal, R., Merchant, A., Brown, C. H., Shapiro, S., Kramer, M., & Gruenberg, E. M. (1985). Comparison of the lay Diagnostic Interview Schedule and a standardized psychiatric diagnosis. Archives of General Psychiatry, 42, 667–675.