TY - JOUR T1 - The importance of precise, validated bony landmarks for blocks and radiofrequency ablation JF - Regional Anesthesia & Pain Medicine JO - Reg Anesth Pain Med DO - 10.1136/rapm-2019-100879 SP - rapm-2019-100879 AU - Shannon L Roberts Y1 - 2019/08/24 UR - http://rapm.bmj.com/content/early/2019/08/24/rapm-2019-100879.abstract N2 - ER -