[Etiological factors in psychosomatic developmental retardation in childhood].
D002675:Child, Preschool; D002658:Developmental Disabilities / Q000209:etiology*; D004569:Electroencephalography; D006801:Humans; D007223:Infant; D011602:Psychophysiologic Disorders / Q000150:complications*; D012959:Socioeconomic Factors
Atiologische Faktoren bei somatopsychischer Entwicklungsretardation im Kindesalter.