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Serum IL-6 in GCA
Serum IL-6 (A) and soluble IL-6 receptor (sIL-6R; B) levels in patients with GCA. The serum concentration was measured (in picograms per millilitre) by ELISA. The data represent the mean (s.e.m.). *P ≤ 0.05, significantly different. Circulating levels (C) and spontaneous release in temporal artery explant culture (D) of IL-6 in patients presenting with a cranial ischaemic complication of GCA (n = 2) and those without (n = 26).
