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MedicineOrthopaedic SurgeryOrthopedic SurgeryFunctional RestorationOrthopedicsSpine SurgeryHernia RepairIntervertebral Disc DiseaseLumbar Spine SurgeryPostoperative ComplicationsSpinal ExaminationSpinal RehabilitationHerniated Disc RadiculopathyIntervertebral Disc HerniationLumbar Degenerative Disc DiseaseLumbar Disc HerniationLumbar Spine TreatmentPreoperative Pain AssessmentThoracolumbar Disc Disease
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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
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