RT Journal Article SR Electronic T1 The inappropriate use of carotid endarterectomy JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 473 OP 474 DO 10.1503/cmaj.1040725 VO 171 IS 5 A1 Henry J.M. Barnett YR 2004 UL http://www.cmaj.ca/content/171/5/473.abstract