RT Journal Article SR Electronic T1 Virtual links to the emergency department JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 172 OP 174 DO 10.1503/cmaj.1060056 VO 175 IS 2 A1 Greiver, Michelle A1 Eysenbach, Gunther YR 2006 UL http://www.cmaj.ca/content/175/2/172.3.abstract