TY - JOUR T1 - Radiation safety and knowledge: what do we know? JF - Regional Anesthesia & Pain Medicine JO - Reg Anesth Pain Med SP - 477 LP - 477 DO - 10.1136/rapm-2021-102574 VL - 46 IS - 6 AU - Alaa Abd-Elsayed Y1 - 2021/06/01 UR - http://rapm.bmj.com/content/46/6/477.abstract N2 - ER -