RT Journal Article SR Electronic T1 The more the better? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1820b OP 1820b VO 160 IS 13 A1 Simunovic, M. A1 To, T. A1 Langer, B. YR 1999 UL http://www.cmaj.ca/content/160/13/1820b.abstract