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. 2014 Jun 30;12(2):222–230. doi: 10.1038/cmi.2014.43

Figure 1.

Figure 1

Levels of soluble IL-1 type 1 and 2 receptors in the serum of healthy individuals (n=150). The median and quartiles are shown in the histogram. The P-valuesindicated were calculated by the Mann–Whitney test. IL-1, interleukin-1.