1. American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders. 3rd ed. Washington DC, Am Psychiat Ass, 1980.
2. American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders. Third Revised Version (DSM-III-R. Washington DC, Am Psychiat Ass, 1987.
3. Andersen J, Larsen JK, Schultz V, Nielsen BM, Kmer A, Behnke K, Munk-Andersen E, Butler B, Allemp P, Bech P. The brief psychiatric rating scale. Dimension of schizophrenia, reliability and construct validity. Psychopathol 1989; 22:168–176.
4. Bech P. Rating scales for affective disorders. Their validity and consistency. Acta Psychiat Scand 1981: Suppl 295; 64:1–101.
5. Bech P. Clinical effects of selective serotonin reuptake inhibitors. In: Dahl SG, Gram LF. (eds). Clinical Pharmacology in Psychiatry. Berlin, Springer, 1989 pp. 83–93.