PMC:7266479 / 7185-7228 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T43","span":{"begin":0,"end":43},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The authors declare no competing interests."}