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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":22,"end":30},"obj":"Sentence"},{"id":"T3","span":{"begin":31,"end":41},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" by real-time RT-PCR\n\nAbstract\nBackground\nThe o"}