PMC:7543325 / 1631-1690 JSONTXT

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    LitCovid-sentences

    {"project":"LitCovid-sentences","denotations":[{"id":"T21","span":{"begin":34,"end":46},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"rm thoracic surgical procedures.\n\nINTRODUCTION\nIn December "}