PT - JOURNAL ARTICLE ED - , TI - Correction: Nurse home visiting and prenatal substance use in a socioeconomically disadvantaged population in British Columbia: analysis of prenatal secondary outcomes in an ongoing randomized controlled trial AID - 10.9778/cmajo.20210288 DP - 2021 Oct 01 TA - CMAJ Open PG - E1040--E1040 VI - 9 IP - 4 4099 - http://www.cmajopen.ca/content/9/4/E1040.short 4100 - http://www.cmajopen.ca/content/9/4/E1040.full SO - CMAJ2021 Oct 01; 9