Association of pain with radiological changes in different compartments and views of the knee joint

Radiographic patterns of osteoarthritis of the knee joint in the community: the importance of the patellofemoral joint.

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Radiographic assessment of progression in osteoarthritis

Roy D. Altman, James F. Fries, D. Blöch et al. · Arthritis & Rheumatism · 1987 · 372 citations

Radiographic patterns and associations of osteoarthritis of the knee in patients referred to hospital.

Joanna Ledingham, Marian Regan, A Jones et al. · Annals of the Rheumatic Diseases · 1993 · 305 citations · Full text

Radiographic grading of the severity of knee osteoarthritis: Relation of the kellgren and lawrence grade to a grade based on joint space narrowing, and correlation with arthroscopic evidence of articular cartilage degeneration

Kenneth D. Brandt, Rose Fife, Ethan M. Braunstein et al. · Arthritis & Rheumatism · 1991 · 296 citations

Surgery, Moderate Osteoarthritis, Osteoporosis +16

Definition of osteoarthritis of the knee for epidemiological studies.

Timothy D. Spector, Deborah Hart, J.C. Byrne et al. · Annals of the Rheumatic Diseases · 1993 · 234 citations · Full text