RT Journal Article SR Electronic T1 Elective orthopedic surgery during COVID-19 JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP rapm-2021-102490 DO 10.1136/rapm-2021-102490 A1 Zhong, Haoyan A1 Poeran, Jashvant A1 Liu, Jiabin A1 Sites, Brian D A1 Wilson, Lauren A A1 Memtsoudis, Stavros G YR 2021 UL http://rapm.bmj.com/content/early/2021/02/24/rapm-2021-102490.abstract AB