RT Journal Article SR Electronic T1 Injection of Steroids Before Radiofrequency Ablation Has a Negative Impact on Lesion Size JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 189 OP 191 DO 10.1097/AAP.0000000000000067 VO 39 IS 3 A1 Worakamol Tiyaprasertkul A1 Jordi Perez YR 2014 UL http://rapm.bmj.com/content/39/3/189.abstract AB