PT - JOURNAL ARTICLE AU - Thomas McGinn AU - Gordon Guyatt TI - Kappa statistic AID - 10.1503/cmaj.1050048 DP - 2005 Jul 05 TA - Canadian Medical Association Journal PG - 17--17 VI - 173 IP - 1 4099 - http://www.cmaj.ca/content/173/1/17.1.short 4100 - http://www.cmaj.ca/content/173/1/17.1.full SO - CMAJ2005 Jul 05; 173