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例志愿者行隐血珠检,对检
为“”及“”者作纤维胃镜进
步检查确诊,并进行统
。
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例志愿者行隐血珠检,对检
为“”及“”者作纤维胃镜进
步检查确诊,并进行统
。
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