PMC:7281378 / 921-1106 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T90165","span":{"begin":21,"end":22},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"pulations worldwide. A total of 281 articles were found eligible through screening of PubMed and Google Scholar databases and hence were included in this systematic review. The highest "}

    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T8","span":{"begin":21,"end":172},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"pulations worldwide. A total of 281 articles were found eligible through screening of PubMed and Google Scholar databases and hence were included in this systematic review. The highest "}