Effects of TGF-beta1 and IGF-1 on proliferation of human nucleus pulposus cells in medium with different serum concentrations.

J Orthop Surg Res · 2006 · PMC1636034 · PMID 17150129

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showed a trendno p-value reported

However, cell viability showed a trend of decreasing in response to further elevation of the concentrations.

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