Conclusion The toxic effect of fluorine on mouse incisor begins to show at early stage of its development, which is closely related with time and dose.
结论氟对小鼠切牙的毒性效应在其发育初始阶段即已产生影响，并与时间和剂量有密切关系。
Conclusion Ginsenoside has better antagonism on embryo teratism in rat induced by acetic lead and can proportionately promote the differentiation and development of rat embryo.
结论：人参皂苷对铅所致胚胎畸形有较好的拮抗作用，并可均衡地促进胚胎的分化和发育。
Conclusion the toxicity of lead on neuron development might related to the change of trace element concentration, reduction of antioxidation ability and increasing apoptosis in brain.
结论铅的发育神经毒性与中枢神经系统铜等微量元素的改变、抗氧化能力下降及由此所致的细胞凋亡数量增加有关。
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