https://www.scirp.org/reference/ReferencesPapers?ReferenceID=2060280
Reihsaus, E., Waldbaur, H. and Seeling, W. (2000) Spinal Epidural Abscess A Meta-Analysis of 915...
Reihsaus, E., Waldbaur, H. and Seeling, W. (2000) Spinal Epidural Abscess A Meta-Analysis of 915 Patients. Neurosurgical Review, 23, 175-204.