PMC:7795804 / 3739-3796 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T24","span":{"begin":37,"end":39},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"presence of psychological distress.\n\n2. Materials and Met"}