TY - JOUR T1 - Kappa statistic JF - Canadian Medical Association Journal JO - CMAJ SP - 16 LP - 17 DO - 10.1503/cmaj.1050010 VL - 173 IS - 1 AU - G. Michael Allan Y1 - 2005/07/05 UR - http://www.cmaj.ca/content/173/1/16.2.abstract ER -