RT Journal Article SR Electronic T1 Intrathecal Methylprednisolone “Sans Preservative” JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 67 OP 67 DO 10.1136/rapm-00115550-199924031-00067 VO 24 IS Suppl 1 A1 Antonio J. Aldrete YR 1999 UL http://rapm.bmj.com/content/24/Suppl_1/67.abstract AB