PMC:7128678 / 32505-32541 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T253","span":{"begin":0,"end":20},"obj":"Sentence"},{"id":"T254","span":{"begin":21,"end":35},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Competing interests: None declared.\n"}