PMC:7166029 / 15959-16018 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T154","span":{"begin":0,"end":59},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The authors declared that there is no conflict of interest."}