The results Pointed out the Pathogeny for mental retardation in endemic goiter area was not caused only by iodine deficiency and was caused by manifold element.
提示地甲肿流行区智力低下的发生，碘缺乏不是唯一的病因，而是多种元素作用的结果。
Objective To prevent the spreading of water-born infectious diseases, do effective surveillance on their pathogeny in Zhujiang water at the frontier port area.
目的通过监测口岸辖区内珠江水中水源性传染病病源，有效地预防水源性传染病在国境口岸的传播。
Objective To prevent the spreading of water-born infectious diseases, do effective surveillance on their pathogeny in Zhujiang water at the frontier port area.
目的通过监测口岸辖区内珠江水中水源性传染病病源，有效地预防水源性传染病在国境口岸的传播。
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