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Cataracts were observed in the eye lenses of a group of Wistar rats that had been injected with Na2SeO3. The trace elemental analysis of their lenses was carried out by PIXE. The results showed that the variations of elemental contents were different between the injected rats and the controls. The elemental concentrations, which exhibited a certain regularity in their variations,could be related to the time of formation of cataract and to its state. 相似文献
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