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    <SAMPLE_NAME>
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        <XREF_LINK>
          <DB>bioproject</DB>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>development stage</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biological replicates</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>Cell type</TAG>
        <VALUE>MPP</VALUE>
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        <TAG>BioSampleModel</TAG>
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      <PRIMARY_ID>SRS8384060</PRIMARY_ID>
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      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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    <SAMPLE_ATTRIBUTES>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biological replicates</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>Cell type</TAG>
        <VALUE>MPP</VALUE>
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      <SAMPLE_ATTRIBUTE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
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      <PRIMARY_ID>SRS8384062</PRIMARY_ID>
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    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>sex</TAG>
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      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>bone marrow</VALUE>
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      <SAMPLE_ATTRIBUTE>
        <TAG>biological replicates</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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        <TAG>BioSampleModel</TAG>
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    </SAMPLE_ATTRIBUTES>
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      <PRIMARY_ID>SRS8384063</PRIMARY_ID>
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    </SAMPLE_LINKS>
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        <TAG>tissue</TAG>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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    </SAMPLE_ATTRIBUTES>
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      <SAMPLE_ATTRIBUTE>
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      <SAMPLE_ATTRIBUTE>
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