Figure 3.

sCD163/soluble tumour necrosis factor-like weak inducer of apoptosis (sTWEAK) in patients with systemic sclerosis (SSc) and healthy controls. sCD163/sTWEAK ratio in the sera of all SSc patients (SSc), SSc patients without digital ulcers (DU-), SSc patients with digital ulcers (DU+) and healthy controls. Closed circles represent values in individual subjects, bars represent the mean values of the groups, and horizontal lines the appropriate SDs. NS, not significant.

Kowal-Bielecka et al. Arthritis Research & Therapy 2013 15:R69   doi:10.1186/ar4246
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