PMC:7556165 / 54262-54444 JSONTXT

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{"project":"LitCovid-sentences","denotations":[{"id":"T337","span":{"begin":0,"end":182},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Clinical reports have been rapidly delivered from all over the world, and meta-analyses assessing the prevalence of comorbidities and their impact on prognosis are already available."}