1. Diagnostic and statistical manual of mental disorders,1994
2. Mini-compendium of rating scales for states of anxiety, depression, mania and schizophrenia with corresponding DSM-III syndromes;Bech;Acta Psychiatrica Scandinavica,1986
3. ECT response in delusional versus non-delusional depressed inpatients;Birkenhäger;Journal of Affective Disorders,2003
4. The hypothalamic-pituitary-adrenal axis functions, control mechanisms and methods of study;Caroll,1972
5. A specific laboratory test for the diagnosis of melancholia: standardisation, validation, and clinical utility;Carroll;Archives of General Psychiatry,1981