At 10 minutes after the administration of the acid, the animals were given 0.4, 4 and 40 mg/kg of NS 398 (NS) or 40 mg/kg of indomethacin (IM). Control group was given 1% arabic gum (AG) in a volume of 5 ml/kg.

• 盐酸灌胃后 10min ；实验组胃内给予NS 3980 .；4、4、4 0mg/kg和吲哚美辛 4 0mg/kg；对照组胃内给予 1%25阿拉伯树胶 (AG) 5ml/kg。