Journal of Shoulder and Elbow Surgery · 2013 · 62 citations · 17 references
MedicineOrthopaedic SurgeryOrthopedic SurgeryDiagnostic RadiologyOrthopedicsShoulder SurgeryMusculoskeletal AssessmentMusculoskeletal ImagingMusculoskeletal RadiographyMusculoskeletal RadiologyOsteoarthritisShoulder DisordersOsteoarthritis RadiographyShoulder Joint AssessmentShoulder Radiography
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The Measurement of Observer Agreement for Categorical Data
J. Richard Landis, Gary G. Koch · Biometrics · 1977 · 78.9K citations · Full text
Radiological Assessment of Osteo-Arthrosis
Jan Kellgren, J. S. Lawrence · Annals of the Rheumatic Diseases · 1957 · 12.4K citations · Full text