RT Journal Article SR Electronic T1 Effect of self-reported cannabis use on postoperative outcomes: a propensity matched cohort analysis of non-cardiac surgery patients JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 656 OP 656 DO 10.1136/rapm-2021-102754 VO 46 IS 8 A1 Shanthanna, Harsha A1 Zhang, Betty Huiyu A1 Saud, Haris A1 Sengupta, Neil A1 Chen, Max A1 Bakshi, Devyani A1 Richardson, Liz A1 Wang, Li YR 2021 UL http://rapm.bmj.com/content/46/8/656.abstract