Abstract
Get full access to this article
View all access options for this article.
References
1.Diagnostic and statistical manual of mental disorders, 4th ed . Washington DC , American Psychiatric Association ; 1994 .
2.Diagnostic and statistical manual of mental disorders, 5th ed . Washington, DC : American Psychiatric Association ; 2013 .
3.Diagnostic and statistical manual of mental disorders, 3rd ed . Washington, DC : American Psychiatric Association ; 1980 .
4.
Feinstein
AR.
The pre-therapeutic classification of co-morbidity in chronic disease . J Chronic Dis . 1970 ;23 :455 –468 .
5.
Maj
M.
“Psychiatric comorbidity”: an artefact of current diagnostic systems ? Br J Psychiatry . 2005 ;186 :182 –184 .