TY - JOUR T1 - Cervical plexus and greater occipital nerve blocks: controversies and technique update JF - Regional Anesthesia & Pain Medicine JO - Reg Anesth Pain Med SP - 623 LP - 626 DO - 10.1136/rapm-2018-100261 VL - 44 IS - 6 AU - Roy A Greengrass AU - Samer Narouze AU - Thomas F Bendtsen AU - Admir Hadzic Y1 - 2019/06/01 UR - http://rapm.bmj.com/content/44/6/623.abstract N2 - ER -