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为了解北京地区婴幼儿的血清铜正常值,我们对北京城市及农村(河北固安县)258例健康正常婴幼儿进行了血清铜含量的调查,现报道如下。
To understand the serum copper normal values for infants and young children in Beijing, we investigated the serum copper levels in 258 healthy and normal infants in urban and rural Beijing (Gu’an County, Hebei Province) and are reported below.