RT Journal Article SR Electronic T1 Association nirmatrelvir/ritonavir contre la COVID-19 JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E365 OP E366 DO 10.1503/cmaj.220081-f VO 194 IS 9 A1 McDonald, Emily G. A1 Lee, Todd C. YR 2022 UL http://www.cmaj.ca/content/194/9/E365.abstract