| Dawson's encephalitis | <neurology> Chronic progressive illness seen in children a few years after measles infection and involving demyelination of the cerebral cortex. Virus apparently persists in brain cells: usually considered a slow virus disease. (18 Nov 1997) |
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| Dawson, James | <person> U.S. Pathologist, *1908. See: Dawson's encephalitis. (05 Mar 2000) |
| dawsonite | <chemical> A hydrous carbonate of alumina and soda, occuring in white, bladed crustals. Origin: Named after J. W. Dawson of Montreal. Source: Websters Dictionary (01 Mar 1998) |