AngstJ.The emerging epidemiology of hypomania and bipolar II disorder. J Affect Disord1998;50:143–51.
2.
AkiskalHSPintoO.The evolving bipolar spectrum. Prototypes I, II, II and IV. Psychiatr Clin North Am1999;22:517–34.
3.
GhaemiNKoJYGoodwinFK. Cade's disease and beyond: Misdiagnosis, antidepressant use and proposed definition for bipolar spectrum disorder. Can J Psychiatry2002;47:125–34.
4.
HirschfeldRMWilliamsJBSpitzerRLCalabreseJRFlynnLKeckPEJr, and others. Development and validation of a screening instrument for bipolar spectrum disorder: The Mood Disorder Questionnaire. Am J Psychiatry2000;157:1873–5.
5.
Roy-ByrnePPostRMUhdeTWPorcuTDavisD.The longitudinal course of recurrent affective illness: Life chart data from research patients at the NIMH. Acta Psychiatr Scand Suppl1985;317:1–34.
6.
AkiskalHSMaserJDZellerPJEndicottJCoryellWKellerM, and others. Switching from “unipolar” to bipolar II. An eleven-year prospective study of clinical and temperamental predictors in 559 patients. Arch Gen Psychiatry1995;52:114–23.
7.
American Psychiatric Association. Diagnostic and statistical manual of mental disorders. 4th ed. Text revision. Washington (DC): American Psychiatric Association; 2000.
8.
PiverACYathamLNLamRW. Bipolar spectrum disorders: New perspectives. Can Fam Physician2002;48:896–904.