[Psychiatric care in Essen--a study group for health care planning].
D003156:Community Mental Health Services / Q000639:trends*; D005860:Germany, West; D006285:Health Planning / Q000639:trends*; D006801:Humans; D001523:Mental Disorders / Q000628:therapy*
Psychiatrische Versorgung in Essen--Arbeitsgemeinschaft mit Planungshoheit.