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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":10,"end":18},"obj":"Sentence"},{"id":"T3","span":{"begin":19,"end":26},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"entation\n\nAbstract\nPurpose\nThe purpose of this study was to evaluate the frequency and clinical presentation of co"}