title: Down's syndrome and aging: is senile dementia inevitable?
mesh_terms: D000293:Adolescent; D000328:Adult; D002540:Cerebral Cortex / Q000473:pathology; D003704:Dementia / Q000473:pathology*; D004314:Down Syndrome / Q000473:pathology*; D006801:Humans; D008875:Middle Aged; D009454:Neurofibrils / Q000648:ultrastructure