PMC:7274970 / 16255-16299 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T117","span":{"begin":0,"end":44},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Current smoking 4 (3.0) 0 (0) 4 (5.3) 0.1918"}