European Spine Journal · 2019 · 17 citations · 29 references
MedicineOrthopaedic SurgeryOrthopedic SurgerySpinal BiomechanicsSpine SurgeryBone Stress Injury ImagingDegenerative Spine DiseaseSpinal AnatomySpinal DisordersSpine DisordersSpine ImagingIntervertebral Disc DegenerationIntervertebral DiscsLumbar Degenerative Disc DiseaseLumbar Spine AnatomyLumbar Spine DisordersLumbar Spine ImagingLumbar Vertebrae
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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
Mechanical Initiation of Intervertebral Disc Degeneration
Michael A. Adams, Brian J. C. Freeman, Helen P. Morrison et al. · Spine · 2000 · 787 citations
Modified Pfirrmann Grading System for Lumbar Intervertebral Disc Degeneration
James F. Griffith, Yi-Xiang Wang, Gregory E. Antonio et al. · Spine · 2007 · 532 citations