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In his later years Matson suffered from dementia, which was linked to Chronic traumatic encephalopathy (CTE),a progressive degenerative disease, diagnosed post-mortem in individuals with a history of multiple concussions and other forms of head injury.
Ollie Johnston | Matson, Gloucester | Ollie Halsall | Ollie | Matson, Missouri | Randy Matson | Ollie (skateboarding trick) | Ollie Rafferty | Ollie E. Brown | Matson | Frank and Ollie |