RT Journal Article SR Electronic T1 Should patients who have not had a cardiac event take ASA to prevent one? JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 55 OP 57 VO 48 IS 1 A1 Abdullah Alkhenizan YR 2002 UL http://www.cfp.ca/content/48/1/55.abstract AB