PMC:7537225 / 39737-39802 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T293","span":{"begin":0,"end":20},"obj":"Sentence"},{"id":"T294","span":{"begin":21,"end":65},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Conflict of interest\nThe authors declare no conflict of interest."}