The article you requested is
Overdiagnosis and Underdiagnosis of Bipolar Disorder.
J Clin Psychiatry 2009;70(1):143 [letter]
Copyright 2009 Physicians Postgraduate Press, Inc.
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Letter to the Editor
Sir:A recent investigation by Zimmerman et al. asserting a
problem with overdiagnosis of bipolar disorder compares selfreport
of previous bipolar diagnoses in 700 patients with diagnoses
made with the Structured Clinical Interview for DSM-IV
(SCID). They conclude that problems with both underdiagnosis
and overdiagnosis of bipolar disorder exist and suggest that the
latter may be greater than the former.
In the literature review for their article, the authors fail to
cite and discuss one important previous investigation that bears
on the question at hand.