TY - JOUR T1 - Novel cervical erector spinae plane block: interfascial layers remain important in the spread of anesthetics JF - Regional Anesthesia & Pain Medicine JO - Reg Anesth Pain Med SP - 458 LP - 459 DO - 10.1136/rapm-2020-101788 VL - 46 IS - 5 AU - Ban C H Tsui AU - Hesham Elsharkawy Y1 - 2021/05/01 UR - http://rapm.bmj.com/content/46/5/458.abstract N2 - ER -