RT Journal Article SR Electronic T1 Link between obesity and COVID-19 may not be what it seems JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1096 OP E1097 DO 10.1503/cmaj.1095952 VO 193 IS 28 A1 Diana Duong YR 2021 UL http://www.cmaj.ca/content/193/28/E1096.abstract