RT Journal Article SR Electronic T1 CATCH: a clinical decision rule for the use of computed tomography in children with minor head injury JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association DO 10.1503/cmaj.091421 A1 Martin H Osmond A1 Terry P Klassen A1 George A Wells A1 Rhonda Correll A1 Anna Jarvis A1 Gary Joubert A1 Benoit Bailey A1 Laurel Chauvin-Kimoff A1 Martin Pusic A1 Don McConnell A1 Cheri Nijssen-Jordan A1 Norm Silver A1 Brett Taylor A1 Ian G Stiell YR 2010 UL http://www.cmaj.ca/content/early/2010/02/08/cmaj.091421.abstract AB