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