RT Journal Article SR Electronic T1 Chronic pain and psychedelics: proceeding with caution JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 556 OP 557 DO 10.1136/rapm-2020-101994 VO 46 IS 6 A1 Taif Mukhdomi A1 Junaid Mukhdomi YR 2021 UL http://rapm.bmj.com/content/46/6/556.1.abstract AB