Diagnostic criteria from DSM-IV.
American Psychiatric Association, 1994
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Diagnostic and statistical manual of mental disorders : DSM-IV
American Psychiatric Association, 1994
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Diagnostic and statistical manual of mental disorders : DSM-IV
American Psychiatric Association, 2000
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Lavrenyov, Boris
The Forty First
Foreign Languages Publishing, [date of publication not identified]
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Trippett, Frank
The first horsemen
Time-Life Books, 1974
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