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      <TAXON_ID>408169</TAXON_ID>
      <SCIENTIFIC_NAME>metagenomes</SCIENTIFIC_NAME>
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        <TAG>ENA first public</TAG>
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        <TAG>External Id</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center alias</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>INSDC center name</TAG>
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        <TAG>INSDC last update</TAG>
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  <SAMPLE alias="SAMEA104296062" accession="ERS1921040">
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      <PRIMARY_ID>ERS1921040</PRIMARY_ID>
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  <SAMPLE alias="SAMEA104296064" accession="ERS1921042">
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