随着周期性外源雌激素和个人雌激素增殖的时间越来越提前，许多女孩八岁大的时候就有了初潮。

With the proliferation of xenoestrogens, environmental estrogens that are bringing on periods younger and younger, many girls are as young as eight when Aunt Flow arrives.

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被感染人员是病毒主要携带者和增殖者，是未受感染蚊子的病毒源。

Infected humans are the main carriers and multipliers of the virus, serving as a source of the virus for uninfected mosquitoes.

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目的：探讨硝普钠(SNP)对脊髓源性神经干细胞增殖的抑制作用及诱导其向神经细胞分化的可能性。

AIM: to investigate effects of sodium nitroprusside (SNP) on the proliferation and the differentiation of spinal neural stem cells into neural cells in vitro.

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