PMC:7457008 / 25729-25902 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T203","span":{"begin":0,"end":37},"obj":"Sentence"},{"id":"T204","span":{"begin":38,"end":173},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Declaration of conflicting interests: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article."}