RT Journal Article SR Electronic T1 On_the_Net@cma.ca/Sur_le_Net@cma.ca JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1409 OP 1409 VO 159 IS 11 A1 J. McGowan YR 1998 UL http://www.cmaj.ca/content/159/11/1409.abstract AB