PT - JOURNAL ARTICLE AU - Duong, Diana TI - Canadian physicians frustrated with vaccine rollout AID - 10.1503/cmaj.1095929 DP - 2021 Mar 29 TA - Canadian Medical Association Journal PG - E458--E459 VI - 193 IP - 13 4099 - http://www.cmaj.ca/content/193/13/E458.short 4100 - http://www.cmaj.ca/content/193/13/E458.full SO - CMAJ2021 Mar 29; 193