Sciatica: a review of history, epidemiology, pathogenesis, and the role of epidural steroid injection in management
Stafford, M.A. ; Peng, P. ; Hill, D.A.
British journal of anaesthesia : BJA, 2007-10, Vol.99 (4), p.461-473 [Periódico revisado por pares]Oxford: Elsevier Ltd
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