title: Interaction of environmental and genetic factors in Klinefelter's syndrome.
mesh_terms: D002653:Child Behavior Disorders / Q000209:etiology; D002675:Child, Preschool; D002658:Developmental Disabilities / Q000209:etiology; D004777:Environment; D005796:Genes; D006801:Humans; D007713:Klinefelter Syndrome / Q000235:genetics; D008297:Male; D008426:Maternal Deprivation