Methods: Rats model of chronic experiment gastric ulcer was made by gastric serosa acetic acid instillation.
方法:采用乙酸制备大鼠慢性胃溃疡模型。
Conclusion: oral administration or gastric serosa injection of beta-elemene can induce tumor apoptosis and may be useful for prevention and treatment of the lymph node metastasis in gastric cancer.