[Chronic subdural hematoma. Evaluation of closed-system drainage].
D000368:Aged; D000369:Aged, 80 and over; D002908:Chronic Disease; D004322:Drainage / Q000379:methods*; D005260:Female; D006408:Hematoma, Subdural / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged