title: Statistical analysis of chronic subdural hematoma in 309 adult cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002908:Chronic Disease; D005260:Female; D005500:Follow-Up Studies; D006408:Hematoma, Subdural / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged