RT Journal Article SR Electronic T1 Reducing barriers to accessing administrative data on SARS-CoV-2 vaccination for research JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E943 OP E947 DO 10.1503/cmaj.211712 VO 194 IS 27 A1 McRae, Andrew D. A1 Archambault, Patrick A1 Fok, Patrick A1 Wiemer, Hana A1 Morrison, Laurie J. A1 Herder, Matthew A1 YR 2022 UL http://www.cmaj.ca/content/194/27/E943.abstract