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Comparison of the suppressive effects of TGF-β and IL-10 on TNF-α production by BCG-stimulated human cells. Cell preparations were cultured for 18 h with BCG (10 μg/ml) alone or in the presence of IL-10 (10 ng/ml) or TGF-β (10 ng/ml). The cell-free supernatant fluid was assayed for TNF-α content by ELISA.
