PT  - JOURNAL ARTICLE
AU  - McGinn, Thomas
AU  - Wyer, Peter C.
AU  - Newman, Thomas B.
AU  - Keitz, Sheri
AU  - Leipzig, Rosanne
AU  - for, Gordon Guyatt
ED  - , 
TI  - Tips for learners of evidence-based medicine: 3. Measures of observer variability (kappa statistic)
AID  - 10.1503/cmaj.1031981
DP  - 2004 Nov 23
TA  - Canadian Medical Association Journal
PG  - 1369--1373
VI  - 171
IP  - 11
4099  - http://www.cmaj.ca/content/171/11/1369.short
4100  - http://www.cmaj.ca/content/171/11/1369.full
SO  - CMAJ2004 Nov 23; 171