RT Journal Article SR Electronic T1 Cost of warfarin versus direct oral anticoagulants JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 9 OP 9 VO 66 IS 1 A1 Marco G. Mannarino YR 2020 UL http://www.cfp.ca/content/66/1/9.1.abstract AB