title: [Classification of mutism in children].
authors.forename: H
authors.initials: H
authors.lastname: WALLIS
mesh_terms: D002648:Child; D006801:Humans; D007223:Infant; D009155:Mutism; D013064:Speech Disorders
keywords: SPEECH DISORDERS/in infant and child
vernacular_title: Zur Systematik des Mutismus im Kindesalter.