PMC:7796344 / 11718-11755 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T81","span":{"begin":0,"end":4},"obj":"Sentence"},{"id":"T82","span":{"begin":5,"end":37},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"3.1. Sociodemographic Characteristics"}