RT Journal Article SR Electronic T1 Acetylsalicylic acid for primary prevention of cardiovascular events JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 480 OP 480 VO 65 IS 7 A1 Fritsch, Paul A1 Kolber, Michael R. YR 2019 UL http://www.cfp.ca/content/65/7/480.abstract AB