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    xmlns:owl="http://www.w3.org/2002/07/owl#"
    xmlns:daml="http://www.daml.org/2001/03/daml+oil#"
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    xmlns="http://ontologies.ncgr.org/MO/" >
  <rdf:Description rdf:about="http://ontologies.ncgr.org/MO/EpidemiologicalDesign">
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <class_source rdf:datatype="http://www.w3.org/2001/XMLSchema#string">ontology</class_source>
    <rdfs:comment rdf:datatype="http://www.w3.org/2001/XMLSchema#string">An epidemiological experiment design type is where the biosource history is studied e.g. environmental, clinical and family history.</rdfs:comment>
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    <unique_identifier rdf:datatype="http://www.w3.org/2001/XMLSchema#string">MO_142</unique_identifier>
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    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Ontology"/>
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