PT - JOURNAL ARTICLE AU - Ban C H Tsui AU - Hesham Elsharkawy TI - Novel cervical erector spinae plane block: interfascial layers remain important in the spread of anesthetics AID - 10.1136/rapm-2020-101788 DP - 2020 Jul 05 TA - Regional Anesthesia & Pain Medicine PG - rapm-2020-101788 4099 - http://rapm.bmj.com/content/early/2020/07/05/rapm-2020-101788.short 4100 - http://rapm.bmj.com/content/early/2020/07/05/rapm-2020-101788.full