RT Journal Article SR Electronic T1 New Canadian guideline is wrong to say acetylsalicylic acid is only for patients with symptomatic vascular disease JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E661 OP E661 DO 10.1503/cmaj.75470 VO 192 IS 24 A1 Spence, J. David YR 2020 UL http://www.cmaj.ca/content/192/24/E661.abstract