Comparison of the efficacy of ketoprofen phonophoresis, ultrasound, and short-wave diathermy in knee osteoarthritis

Statistical power analyses using G*Power 3.1: Tests for correlation and regression analyses

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Public Health, Biostatistics, Experimental Design +11

Radiological Assessment of Osteo-Arthrosis

Jan Kellgren, J. S. Lawrence · Annals of the Rheumatic Diseases · 1957 · 12.4K citations · Full text

Medicine, Orthopaedic Surgery, Radiology +10

Validation study of WOMAC: a health status instrument for measuring clinically important patient relevant outcomes to antirheumatic drug therapy in patients with osteoarthritis of the hip or knee.

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Development of criteria for the classification and reporting of osteoarthritis: Classification of osteoarthritis of the knee

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The Randomized Clinical Trial

New England Journal of Medicine · 1972 · 968 citations

Medicine, Pharmacology, Pharmacotherapy +10