RT Journal Article SR Electronic T1 Women experts underrepresented in pandemic coverage JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E143 OP E144 DO 10.1503/cmaj.1095916 VO 193 IS 4 A1 Catherine Varner YR 2021 UL http://www.cmaj.ca/content/193/4/E143.abstract