1. and members of the MRC Breast Tumour Pathology Panel. Observer Variability in reporting of breast lesions;Swanson, B.J.;J ClinPathol,1985
2. Observer variability in the histopathological reporting of cervical biopsy specimens;Robertson, A.J.; Anderson, J.M.; Swanson, B.J.;J Clin Pathol,1989
3. A coefficient of agreement for nominal scales;Cohen, J.A.;Educat Psychol Measurement,1960
4. Measuring nominal scale agreement among many raters;Fleiss, J.L.;Psychol Bull,1971
5. Large sample variance of kappa in the case of different sets of raters;Fleiss, J.L.; Nee, J.C.M.; Landis, JR;Psychol Bull,1979