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我所对城关镇部份幼儿园的学龄前儿童进行口锌测定，旨在了解本镇学龄前儿童锌缺乏情况。 对象与方法 １．对象：本城关镇的地级幼儿园１０６２名儿童均为调查对象，测口锌 ７４１人（６９．７１％），男童 ４０１人，女童 ３４０人。 ２．方法：口锌测定采用济南高新开发区活
I conducted oral zinc measurements on preschool children in some kindergartens in Chengguan Town to understand the zinc deficiency in preschool children in our town. Objects and methods 1. PARTICIPANTS: A total of 1062 children at prefecture-level kindergartens in Chengguan Town were surveyed, measuring 741 (47.71%) zinc, 401 boys and 340 girls. 2. Methods: Determination of mouth zinc using high-tech development zone in Jinan live