PMC:7164862 / 3797-3831 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T14","span":{"begin":0,"end":34},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We declare no competing interests."}