1. (BC, 460-370). Corpus Hipprocraticum. English translation;Hippocrates,1923
2. (BC 94-54). De rerum natura, On the nature of things. Trans. Cyril Bailey;Lucretius,1910
3. The ICD-10 classification of mental and behavioural disorders: diagnostic criteria for research;World Health Organisation,1993
4. Diagnostic and statistical manual of mental disorders;American Psychiatric Association,2013
5. Diagnostic and statistical manual of mental disorders;American Psychiatric Association,1980