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. Author manuscript; available in PMC: 2009 Nov 1.
Published in final edited form as: Cytokine. 2008 Sep 19;44(2):234–241. doi: 10.1016/j.cyto.2008.08.004

Table 1.

Specific activitya of IL-1β before and after size-fractionation.

Donor Before After Fold Difference (Before/After)
1 0.01 0.002 5
2 0.06 0.005 12
a

Specific activity = pg IFNγ/pg IL-1β