RT Journal Article SR Electronic T1 Correction: Buprenorphine–naloxone practice and attitudes in 22 Canadian emergency physician groups: a cross-sectional survey JF CMAJ Open JO CMAJ FD Canadian Medical Association SP E928 OP E928 DO 10.9778/cmajo.20210253 VO 9 IS 4 YR 2021 UL http://www.cmajopen.ca/content/9/4/E928.abstract AB