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Serum T4 levels in rat Ig-treated and anti-TNFα-treated mice. Serum T4 levels were determined at day 19 or day 38–56 using a T4 enzyme immunoassay kit as described in Methods. Results are expressed as μg T4/dL of serum. * indicates that serum T4 levels were higher at day 38–56 in anti-TNFα-treated compared to rat Ig-treated mice (P<0.05).
