PMC:7156806 / 15421-15536 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T122","span":{"begin":0,"end":33},"obj":"Sentence"},{"id":"T123","span":{"begin":35,"end":55},"obj":"Sentence"},{"id":"T124","span":{"begin":56,"end":115},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Compliance with ethical standards\n\nConflict of interest\nThe authors declare that they have no conflict of interest."}