title: Electron microscopical study of the brain in Down's syndrome.
mesh_terms: D001921:Brain / Q000473:pathology*; D002540:Cerebral Cortex / Q000473:pathology; D003704:Dementia / Q000473:pathology*; D004314:Down Syndrome / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D009454:Neurofibrils