1. Osteoarthritis: definitions and criteria;Altman;Ann Rheum Dis,1990
2. Development of criteria for the classification and reporting of osteoarthritis. Classification of osteoarthritis of the knee. Diagnostic and therapeutic criteria committee of the american rheumatism association;Altman;Arthritis Rheum,1986
3. Gross pathological changes in the knee joint of the aged individual;Casscells;Clin. Orthop. Relat. Res,1978
4. A Radiographic Atlas of Knee Osteoarthritis;Spector,1992
5. Osteoarthritis;Martel-Pelletier;Nat Rev Dis Primers,2016