title: Early myoclonus and quasiperiodic EEG changes in non-familial Alzheimer's disease.
mesh_terms: D000544:Alzheimer Disease / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D002540:Cerebral Cortex / Q000473:pathology / Q000648:ultrastructure; D003704:Dementia / Q000175:diagnosis*; D004569:Electroencephalography; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D008875:Middle Aged; D009207:Myoclonus / Q000150:complications*; D009454:Neurofibrils / Q000648:ultrastructure