RT Journal Article SR Electronic T1 Surgical opioid-avoidance protocol: a postoperative pharmacological multimodal analgesic intervention in diverse patient populations JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP rapm-2023-104585 DO 10.1136/rapm-2023-104585 A1 Luo, Changqi A1 Li, Kai YR 2023 UL http://rapm.bmj.com/content/early/2023/05/01/rapm-2023-104585.abstract AB