MR of Sarcoidosis in the Head and Spine:Spectrum of Manifestations and Radiographic Response to Steroid Therapy
AJNR 15:973-982, Lexa,F.J.&Grossman,R.I., 1994
Sciatica
NEJM 372:1240-1248, Ropper, A.H. & Zafonte, R.D., 2015
Management of Lumbar Nerve-root Pain by Intrathecal & Epidural Injections of Depot Methylprednisolone Acetate
Med J Aust 2:532-534, Ryan,M.D.,et al, 1981