The postcode of Jiyang County, Jinan City, Shandong Province, China is 251400.
中国大陆山东省济南市济阳县的邮政编码是 251400 。
Investigate the zinc nutrition state in 2-6 year-old children of Jiyang county. Find out the reason for the lack of zinc and explore the effective way to apply zinc to children.
了解济阳县2 ~ 6岁儿童锌营养状况，寻找缺锌原因，探索补充儿童锌营养的有效途径。
Investigate the zinc nutrition state in 2-6 year-old children of Jiyang county. Find out the reason for the lack of zinc and explore the effective way to apply zinc to children.
了解济阳县2 ~ 6岁儿童锌营养状况，寻找缺锌原因，探索补充儿童锌营养的有效途径。
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