Zeitschriftenartikel
Vetter, P. H.,
Pritzbuer, J. von,
Jungmann, K.,
Kropp, P., &
Köller, O. (2001). The validity of the ICD-10 classification of recurrent affective disorders: Do endogenous and psychogenic depressions form a homogenous diagnostic group?
Psychopathology,
34, 36–42.