Different toxic doses of sodium selenite were given to the experimental rabbits by means of muscular injection weekly and subacute selenium poisoning model in rabbits was produced over eight weeks.
给家兔分别肌肉注射不同剂量的亚硒酸钠，历时八周，复制出亚急性硒中毒的动物模型。
The results show that: the symptom of poisoning is exacerbated with the increase of selenium intake.
结果表明：随着服硒量的增加，中毒症状逐渐加剧。
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