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MedicineInternal MedicineHealth AssessmentRheumatologyAnkylosing SpondylitisSymptom BurdenSymptom Burden AssessmentAnkylosing Spondylitis Spinopelvic AlignmentCross-cultural Questionnaire AdaptationCross-cultural Symptom AssessmentQuestionnaire Validity
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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
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