RT Journal Article SR Electronic T1 Anticoagulation JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 450 OP 451 VO 170 IS 4 A1 Anderson, David R. A1 Wilson, S. Jo-Anne A1 Kovacs, Michael J. A1 Wells, Philip S. YR 2004 UL http://www.cmaj.ca/content/170/4/450.2.abstract