title: Clinical clues to progressive degenerative disorders of the central nervous system.
mesh_terms: D002493:Central Nervous System Diseases / Q000175:diagnosis* / Q000235:genetics; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009410:Nerve Degeneration; D009422:Nervous System Diseases / Q000175:diagnosis / Q000235:genetics