Additional file 1.

Supplementary data. Figure S1. Distribution of serum follistatin-like protein 1 (FSTL1) levels in the different groups including the healthy controls and the patients with systemic autoimmune diseases. Table S1. Descriptive statistics of serum follistatin-like protein 1 (FSTL1) levels in the different groups including the healthy controls and the patients with systemic autoimmune diseases.

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Li et al. Arthritis Research & Therapy 2011 13:R17   doi:10.1186/ar3241