title: [Infantile autism--heredity or environment?].
authors.affiliation: Afdeling for Psykiatrisk Demografi, Psykiatrisk Hospital i Arhus.
authors.forename: M B
authors.initials: MB
authors.lastname: Lauritsen
authors.forename: C
authors.initials: C
authors.lastname: Obel
authors.forename: P B
authors.initials: PB
authors.lastname: Mortensen
authors.forename: J
authors.initials: J
authors.lastname: Olsen
mesh_terms: D000293:Adolescent; D001321:Autistic Disorder / Q000175:diagnosis / Q000209:etiology / Q000235:genetics; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D018433:Twin Studies as Topic