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Radiological Assessment of Osteo-Arthrosis
Jan Kellgren, J. S. Lawrence · Annals of the Rheumatic Diseases · 1957 · 12.2K citations · Full text
Radiographic assessment of progression in osteoarthritis
Roy D. Altman, James F. Fries, D. Blöch et al. · Arthritis & Rheumatism · 1987 · 372 citations
Criteria for classification of clinical osteoarthritis.
Roy D. Altman · PubMed · 1991 · 282 citations
Rheumatoid Disorder, Rheumatology, Clinical Osteoarthritis +15