RT Journal Article SR Electronic T1 Frozen grief at the front lines of the pandemic JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E223 OP E224 DO 10.1503/cmaj.1095918 VO 193 IS 6 A1 Diana Duong YR 2021 UL http://www.cmaj.ca/content/193/6/E223.abstract