5Sokolowski MJ,Garvey TA,Perl J 2nd,et al.Prospective study of postoperative lumbar epidural hematoma:incidence and risk factors[J].Spine,2008,33(1):108-113.
6Greon RJM,Ponssen H.The spontaneous spinal epidural hematoma:a study of etiology[J].J Neurol Sci,1990,98(2-3):121-138.
7Awad JN,Kebaish KM,Donigan J,et al.Analysis of the risk factor for the development of post-operative spinal epidural hematoma[J].J Bone Joint Surg Br,2005,87(9):1248-1252.
8Yi S,Yoon DH,Kim KN,et al.Postoperative spinal epidural hematoma:risk factor and clinical outcome[J].Yonsei Med J,2006,47(3):326-332.
9Lawton MT,Porter RW,Heiserman JE,et al.Surgical management of spinal epidural hematoma:relationship between surgical timing and neurological outcome[J].J Neurosurg,1995,83(1):1-7.