PT - JOURNAL ARTICLE AU - Uri Hochberg AU - Jesus de Santiago Moraga TI - Ultrasound-guided retrolaminar cervical block AID - 10.1136/rapm-2021-102695 DP - 2021 May 23 TA - Regional Anesthesia & Pain Medicine PG - rapm-2021-102695 4099 - http://rapm.bmj.com/content/early/2021/05/23/rapm-2021-102695.short 4100 - http://rapm.bmj.com/content/early/2021/05/23/rapm-2021-102695.full