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    <!-- http://purl.obolibrary.org/obo/CHEBI_133331 -->

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        <rdfs:label>metal oxide</rdfs:label>
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        <rdfs:label>calcium molecular entity</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/CHEBI_31344 -->

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        <rdfs:label>calcium oxide</rdfs:label>
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        <oboInOwl:hasRelatedSynonym>calcium oxide</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>Lime</oboInOwl:hasRelatedSynonym>
        <oboInOwl:hasRelatedSynonym>quicklime</oboInOwl:hasRelatedSynonym>
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        <oboInOwl:hasDbXref>pubmed:22030481</oboInOwl:hasDbXref>
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        <oboInOwl:hasDbXref>pubmed:33147815</oboInOwl:hasDbXref>
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        <rdfs:label xml:lang="en">Nivedita Dutta (Chowdhury)</rdfs:label>
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