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本文旨在探讨食管癌与某些致癌和抗癌微量元素之间的相关性。材料与方法：选择２０个有食管癌患者的家庭，１２个健康家庭及１３个非食管癌的癌症患者家庭，分为５组：Ｇ１：有癌症病史家庭的健康成员（９０人）；Ｇ２：无癌症病史家庭的成员（３７人）；Ｇ３：食管癌患者（１
This article aims to investigate the correlation between esophageal cancer and certain carcinogenic and anticancer trace elements. Materials and Methods: Twenty families with esophageal cancer patients, 12 healthy families and 13 cancer patients with non-esophageal cancer were selected and divided into 5 groups: G1: healthy members of families with cancer history (90 persons); G2: Members of the family without cancer history (37); G3: Patients with esophageal cancer (1