RT Journal Article SR Electronic T1 Access to the medical literature JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 176 OP 177 DO 10.1503/cmaj.1070052 VO 177 IS 2 A1 McGowan, Jessie L. A1 Ellis, Patrick A1 Tugwell, Peter YR 2007 UL http://www.cmaj.ca/content/177/2/176.2.abstract