title: The naturalistic course of anxiety and depressive disorders.
authors.forename: M B
authors.initials: MB
authors.lastname: Keller
mesh_terms: D001008:Anxiety Disorders / Q000150:complications / Q000523:psychology*; D002908:Chronic Disease; D003866:Depressive Disorder / Q000150:complications / Q000523:psychology*; D006801:Humans; D012008:Recurrence