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...hello ...hello
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8 years ago
What cytokine is secreted by helper T cells, and stimulates proliferation of helper T cells and cytotoxic T cells, proliferation and differentiation of B cells, and enhances the activity of natural killer cells?
A) interferon-2
B) interleukin-4
C) interferon-1
D) interleukin-10
E) interleukin-5
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venuskyvenusky
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8 years ago
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