RT Journal Article SR Electronic T1 Stellate ganglion block versus cervical epidural steroid injection for cervical radiculopathy: a comparative-effectiveness study JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP rapm-2022-103532 DO 10.1136/rapm-2022-103532 A1 Yongsoo Lee A1 Doo-Hwan Kim A1 Jieun Park A1 Jin-Woo Shin A1 Seong-Soo Choi YR 2022 UL http://rapm.bmj.com/content/early/2022/03/30/rapm-2022-103532.abstract AB