6Yamada H,Nihei H,Watanabe T,et al.Chronic subdural hematoma pathogenesis of the chronic subdural hematoma [J].No To Shinkei,1999,31:15~17.
7Yamad H,Watanabe T,Mutata S,et al.Developmental process of chronic subdural collections of fluid based on CT scan findings [J].Surg neurol,1990,13:441~445.
8Aoki N,Sakai T,Oikawa A.Evolution of chronic subdural hematoma after burr hole exploration for subdural effusion [J].Neurol Med Chir,1994,34:385~387.