Background: The homogenicity of acute colitis models induced by drinking dextran sulfate sodium (DSS) freely in murine is poor and with high mortality rate.

• 摘要背景：自由饮用葡聚糖硫酸钠(DSS)诱导的鼠类急性结肠炎模型均一性欠佳，动物死亡率较高。