Whether HCMV infection direct induced alopecia or was the AA trigger factor?

HCMV感染能否直接引起脱发，或是斑秃的触发因素？

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Enzymatic Browning was the main reason of Browning of peach flesh during low temperature storage, but the trigger factor, PPO or different kinds of phenol, depend on different variety.

桃果实的低温褐变主要是酶促褐变，但对不同的品种来说，决定褐变的主导因子则不尽相同。

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The main formation condition and main trigger factor of landslides over the upper reaches of the Fujiang River were studied by the method Of relation degree analysis of GreySystem Theory.

采用灰色系统理论的关联度分析方法，研究了涪江上游滑坡的主要形成条件及触发因素。

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The vitamin also appears to trigger the production of a protein called nerve growth factor, which directs the development of nerve cells and promotes their long-term survival.

ECONOMIST: Schizophrenia: Let the sun shine in | The

Of great interest is the physiological pathway called the hypoxia-inducible factor, or HIF, which seems to trigger the body's response to low-oxygen levels in tissue.

WSJ: Mayo Clinic Researchers on Everest Study High Altitude's Effects on the Body