RT Journal Article SR Electronic T1 Providing open access to research, one article at a time JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 621 OP 621 DO 10.1503/cmaj.050125 VO 172 IS 5 A1 Tim Lougheed YR 2005 UL http://www.cmaj.ca/content/172/5/621.abstract