PMC:7445716 / 91-113 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":13,"end":21},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"of 73 cases\n\nAbstract\n"}