Methods Under gastroscope the gastric mucosas from 65 patients with gastric ulcer or gastritis and 110 healthy people were inoculated and cultured.

• 方法采用胃镜钳取65例胃炎、胃溃疡患者及110例正常人的胃窦部粘膜,接种培养行细菌学鉴定,同时进行动物毒力试验及药敏试验。