Methods:The affections of ACT extract solution on the hyperplastic change in the gastric antrum and essophagus of the rats induced by Sodium nitrite and N-methylbenzylamine were detected.

• 方法：研究观察了茵陈蒿水煎剂对亚硝酸钠和N-甲基苄胺诱发的大鼠胃窦及食道上皮的增生性病变的影响。