Clin Exp Rheumatol
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Randomized Controlled Trial Clinical Trial
The Fibromyalgia Impact Questionnaire: a validated Spanish version to assess the health status in women with fibromyalgia.
To translate, adapt, validate and assess the sensitivity to change of a Spanish version of the Fibromyalgia Impact Questionnaire (FIQ-S). ⋯ The FIQ-S is a reliable, valid and responsive to changes questionnaire for measuring health status and physical function in Spanish speaking FM patients.