RT Journal Article SR Electronic T1 Long-term anticoagulation after acute thromboembolic limb ischemia JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 147 OP 147 VO 46 IS 2 A1 Suissa, Daniel YR 2003 UL http://canjsurg.ca/content/46/2/147.1.abstract