Methods 24712 normal persons were screened by occult blood bead.Subsequent fibergastroscopy was performed for definite diagnosis in persons with positive results(),().
方法对自然人
24712
志愿者行隐血珠检测,对检测结果为“”及“”者作纤维胃镜进
步检查确诊,并进行统计分析。
Methods 24712 normal persons were screened by occult blood bead.Subsequent fibergastroscopy was performed for definite diagnosis in persons with positive results(),().
方法对自然人24712志愿者行隐血珠检测,对检测结果为“”及“”者作纤维胃镜进步检查确诊,并进行统计分析。
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