title: [Perplexity symptom in acute endogenous psychoses].
authors.forename: W
authors.initials: W
authors.lastname: BACH
mesh_terms: D003866:Depressive Disorder; D006801:Humans; D001523:Mental Disorders; D011618:Psychotic Disorders
keywords: MELANCHOLIA; PSYCHOSES
vernacular_title: Das Symptom der Ratlosigkeit bei akuten endogenen Psychosen.