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  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher-id">20</journal-id>
      <journal-title-group>
        <journal-title>《预防医学研究》</journal-title>
      </journal-title-group>
      <issn>2705-0459</issn>
      <publisher>
        <publisher-name>环宇科学出版社主办；华文科学出版社主管</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.12421/2705-0440-8658-85</article-id>
      <article-id pub-id-type="publisher-id">8843</article-id>
      <title-group>
        <article-title>微量营养素在儿童保健及疾病预防中的作用</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <string-name>李晓婷 乐山职业技术学院 四川乐山 614000</string-name>
        </contrib>
      </contrib-group>
      <pub-date pub-type="epub">
        <year>2024</year>
        <month>11</month>
      </pub-date>
      <issue>11</issue>
      <abstract>
        <p>目的：分析在儿童保健及预防疾病中微量营养素的作用。方法：选取儿童 140 例，随机分为观察组（常规保健护理+微量营养素）和对
照组（常规保健护理）各 70 例，对比效果。结果：观察组临床相关指标优于对照组，生长情况高于对照组，患病率低于对照组（P</p>
      </abstract>
    </article-meta>
  </front>
</article>
