1. KraepelinE: Psychiatrie. Ein Lehrbuch fur Studirende und Aerzte, edn 8. Leipzig: JA Barth; 1896.
2. Cooper JE, Kendell RE, Gulrand BJ, et al.: Psychiatric Diagnosis in New York and London: A Comparative Study of Mental Hospital Admissions. Institute of Psychiatry, Maudsley Monographs, No. 20.London: Oxford University Press; 1972.
3. McElroy SL, Keck PE Jr, Strakowski SM: Mania, psychosis and antipsychotics. J Clin Psychiatry 1996, 57(Suppl 3):14–26.
4. Goodwin FK, Jamison KR:Manic Depressive Illness. New York: Oxford University Press; 1990.
5. American Psychiatric Association: Diagnostic and Statistical Manual of Mental Disorders, edn 3. Washington, DC: American Psychiatric Press; 1980.