PMC:7796329 / 74387-74431 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T620","span":{"begin":0,"end":44},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The authors declare no conflict of interest."}