Validation of the Spanish, Portuguese and French versions of the Lupus Damage Index questionnaire: data from North and South America, Spain and Portugal.
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Pons-Estel BA, et al. Among authors: garcia ma.
Lupus. 2009 Oct;18(12):1033-52. doi: 10.1177/0961203309105590.
Lupus. 2009.
PMID: 19762375
Free PMC article.