METHODS: An animal model of CAG in accordance with the previous experience of combined administration of 60% ethanol,20 mmol/L sodium deoxycholate and 0.1% ammonia water was established in SD rats.

• 方法:以60%25的乙醇、20 mmol/L的去氧胆酸钠和0.；1%25的氨水在24周建立SD大鼠慢性萎缩性胃炎模型。 在造模的同时用云母进行预防实验。