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allen pagealmost 6 years ago
Which cytokine promotes the proliferation of T and B lymphocytes? a. IFN-γ (interferon γ) b. IL-2 (interleukin 2) c. IL-4 (interleukin 4) d. TNF-α (tumor necrosis factor α) e. TGF-β (transforming growth factor β)
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