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. Format: DOC Size: 744KB Download file This file can be viewed with: Microsoft Word Viewer Li et al. Arthritis Research & Therapy 2011 13:R17 doi:10.1186/ar3241 |