PT - JOURNAL ARTICLE ED - , TI - Correction: Opioid losses in terms of dosage and value, January 2012 to September 2017: a retrospective analysis of Health Canada data AID - 10.9778/cmajo.20210250 DP - 2021 Oct 01 TA - CMAJ Open PG - E927--E927 VI - 9 IP - 4 4099 - http://www.cmajopen.ca/content/9/4/E927.short 4100 - http://www.cmajopen.ca/content/9/4/E927.full SO - CMAJ2021 Oct 01; 9