PMC:7025910 / 2330-2373 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T19","span":{"begin":0,"end":43},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"He denied any smoking and drinking history."}