Objective To establish an platform to investigate embryos of KM mice.

目的探讨并建立KM小鼠胚胎的可视化研究平台。

In order to infect the SPF KM mice with HP and determine the optimum infection dosage.

尝试在SPF级KM鼠胃内定植HP ，并确定其定植的较适感染菌量。