Down-regulated activity and absolute or relative absence of growth factors and their receptors in diabetic foot ulcer is the pathophysiologic basis of wound hard to heal.

溃疡创面局部生长因子及受体活性下降和数量的绝对或相对缺乏是其难以愈合的病理生理基础。

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This not only regulated activity in a tightly planned economy, but was also a vital link in the chain of social control.

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The Court today holds that our Constitution protects us from federal regulation under the Commerce Clause so long as we abstain from the regulated activity.

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Hiring a skilled foreign national is already a highly regulated activity.

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