RT Journal Article SR Electronic T1 Transforaminal Cervical Epidural Injections JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 190 OP 191 DO 10.1136/rapm-00115550-200803000-00019 VO 33 IS 2 A1 de Leon-Casasola, Oscar A. YR 2008 UL http://rapm.bmj.com/content/33/2/190.abstract AB