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Objective To investigate the level of blood zinc in children with acute diarrhea.
目的探讨急性腹泻患儿血锌的变化及临床意义。
youdao
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Available zinc in soil was lower than the critical level.
土壤有效锌含量低于临界值。
youdao
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Available zinc in soil was lower than the critical level.
土壤有效锌含量低于临界值。
youdao