title: Progressive multifocal leukoencephalopathy. Identification of virions in paraffin-embedded tissues.
mesh_terms: D000328:Adult; D001344:Autopsy; D001921:Brain / Q000473:pathology; D003711:Demyelinating Diseases / Q000150:complications / Q000382:microbiology* / Q000473:pathology; D005557:Formaldehyde; D006652:Histological Techniques; D006689:Hodgkin Disease / Q000150:complications / Q000382:microbiology* / Q000473:pathology; D006801:Humans; D008297:Male; D008722:Methods; D008854:Microscopy, Electron; D009457:Neuroglia; D010232:Paraffin; D013539:Simian virus 40 / Q000302:isolation & purification*
chemical_list: D005557:Formaldehyde; D010232:Paraffin