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 Paul Fritsch A1 Michael R. Kolber YR 2019 UL http://www.cfp.ca/content/65/7/480.abstract AB