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A Guide to the American Psychiatric Association's New Diagnostic Nomenclature

Published Online:https://doi.org/10.1176/ajp.124.12.1619

The new diagnostic nomenclature, which will become official on July 1, represents a significant advance toward the use of a standard international classification system to facilitate the exchange of ideas among psychiatrists of all countries. The ways in which the new manual (DSM-II) differs both from the original (DSM-I) and from the current World Health Organization International Classification of Diseases (ICD-8) are discussed to aid psychiatrists in making the transition.

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