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Changes in TNF-α and neopterin levels in sera of HIV-1/TB-coinfected patients. Medians and ranges of each serum marker for HIV-1/TB-coinfected subjects over time are shown. In HIV-1/TB-coinfected responders (R), both TNF-α (A) and serum neopterin (B) decreased 6 months after completion of TB treatment. Inserts show changes in nonresponders (NR). sTNF, soluble TNF.
