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lao ren geng ying bu xi
Author(s): 
Pages: 52
Year: Issue:  7
Journal: Home Medicine

Abstract: 硒是人体必需微量元素之一,它具有奇妙的功能.有人测定百岁老人血液中硒含量比一般健康人高3倍以上.然而一般人随着年龄的增长,血中硒的含量逐渐降低.……
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