Unipolar versus bipolar disorder |
Psychotic versus nonpsychotic |
Cognitive impairment versus not impaired |
Onset in late life versus in early life |
Positive versus negative family history |
Primary versus secondary disorder |
Endogenous versus non-endogenous |
Melancholic versus non-melancholic disorder |
DST positive versus DST negative |
Psychomotor retardation versus not retarded |
Seasonal versus non-seasonal |
Typical versus atypical |
With versus without obsessive-compulsive symptoms. |
published 2000