PMC:7547912 / 16824-17058 JSONTXT

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    LitCovid-PD-CLO

    {"project":"LitCovid-PD-CLO","denotations":[{"id":"T66","span":{"begin":13,"end":23},"obj":"http://purl.obolibrary.org/obo/CLO_0001658"}],"text":" educational activities of south India. Similar to all other studied sites, the air quality of site 4—Manali Village, Chennai also confirmed improvement in terms of reduction in pollutant level during the confinement period. The mean "}

    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T104","span":{"begin":40,"end":224},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" educational activities of south India. Similar to all other studied sites, the air quality of site 4—Manali Village, Chennai also confirmed improvement in terms of reduction in pollutant level during the confinement period. The mean "}