1. Agras, W. S., Chapin, H. N., Jackson, M. S., Oliveau, C. D. (1972): The natural history of phobia. Arch. Gen. Psychiat. 26, 315–317.
2. Agras, W. S., Sylvester, D., Oliveau, D. (1969): The epidemiology of common fears and phobia. Compr. Psychiat. 10, 151–156.
3. American Psychiatric Association (1980): Diagnostic and Statistical Manual of Mental Disorders (DSM-III). Washington, D. C.: APA.
4. Amin, M. M., Ban, T. A., Pecknold, J. C., Klingner, A. (1977): Clomipramine (Anafranil) and behaviour therapy in obsessive-compulsive an phobic disorders. J. Int. Med. Res. 5, Suppl. 5, 33–37.
5. Ananth, J. (1976): Treatment of obsessive compulsive neurosis: Pharmacological approach. Psychosomatics 17, 180–184.