title: Nerve conduction velocity and H-reflex studies in two groups of severely retarded children.
mesh_terms: D000293:Adolescent; D001237:Asphyxia / Q000503:physiopathology; D001238:Asphyxia Neonatorum / Q000503:physiopathology; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome / Q000503:physiopathology*; D004576:Electromyography; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009431:Neural Conduction; D012021:Reflex, Abnormal; D012023:Reflex, Monosynaptic