Annals of the Rheumatic Diseases · 1998 · 209 citations · 21 references
MedicineOrthopaedic SurgeryOrthopedic SurgeryOrthopedic RehabilitationOrthopedicsPhysical DisabilitiesHip DisordersJoint DiseaseJoint DisordersKnee DisordersLower Extremity Function AssessmentOsteoarthritisFunctional Limitation In OsteoarthritisHip Function AssessmentJoint Function AssessmentLower Limb FunctionLower Limb Function AssessmentOsteoarthritis RadiographyOsteoarthritis Severity AssessmentOsteoarthritis-related Mobility Limitation
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Measurement of patient outcome in arthritis
James F. Fries, Patricia W. Spitz, R. Guy Kraines et al. · Arthritis & Rheumatism · 1980 · 4.4K citations
Epidemiologic Research: Principles and Quantitative Methods.
S J Pocock, David G. Kleinbaum, L L Kupper et al. · Biometrics · 1983 · 1.9K citations
Public Health, Population Health Sciences, Clinical Epidemiology +11