PMC:7796329 / 2375-2459 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T21","span":{"begin":56,"end":68},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" Lee Harvey Oswald did not act alone in killing John F. Kennedy [4]. Stempel et al. "}