Serum interleukin (IL)-6 levels from murine collagen-induced arthritis study 2. Blood was drawn from mice 15 days following the second type II collagen injection and serum IL-6 measured by enzyme-linked immunosorbent assay (ELISA). Data are mean ± standard error of the mean of values from 6–8 animals/treatment group, except the naïve group (n = 3).
Milici et al. Arthritis Research & Therapy 2008 10:R14 doi:10.1186/ar2365