1. Catatonia;Abrams;Arch Gen Psychiatry,1976
2. Differential EEG patterns in affective disorder and schizophrenia;Abrams;Arch Gen Psychiatry,1979
3. American Psychiatric Association. 1980. Diagnostic and statistical manual of mental disorders. 3rd ed. Washington, DC: APA.
4. Drug-induced mood disorders;Ananth;Int Pharmacopsychiatr,1980
5. Newer experimental methods for classifying depression;Andreasen;Arch Gen Psychiatry,1979