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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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colleen colleen
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10 years ago
Colony-stimulating factors are cytokines made by
A) endothelial cells.
B) fibroblasts from bone marrow.
C) white blood cells only.
D) endothelial cells and fibroblasts from bone marrow.
E) endothelial cells, fibroblasts from bone marrow, and white blood cells.
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padrepadre
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