RT Journal Article SR Electronic T1 The Canadian-specific impact of COVID-19 on severe injuries from intentional violence, unintentional trauma and suicide-related causes JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP E228 OP E229 DO 10.1503/cjs.006321 VO 64 IS 2 A1 Chad G. Ball YR 2021 UL http://canjsurg.ca/content/64/2/E228.abstract