Methods Thirty-six Wistar male rats aged 4 weeks were divided into 3 groups: a blank group,a lead poisoning group and a therapeutic group(treated with Zinc Gluconate),12 rats in each group.

• 方法4周龄健康Wistar雄性大鼠36只,分为对照组、铅中毒组、葡萄糖酸锌治疗组,每组12只。