PMC:7347402 / 18681-18733 JSONTXT

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{"project":"LitCovid-sentences","denotations":[{"id":"T158","span":{"begin":0,"end":52},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Factors associated with in-hospital 28-day mortality"}