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Cottin, V., Lega, JC., Fabien, N. et al. When to stop in the quest of formes frustes of connective tissue disease?. Clin Rheumatol 26, 615–616 (2007). https://doi.org/10.1007/s10067-007-0536-y
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DOI: https://doi.org/10.1007/s10067-007-0536-y