PMC:7054527 / 26708-26751 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T158","span":{"begin":0,"end":43},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The authors declare no competing interests."}