PMC:7210464 / 99468-99584 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T953","span":{"begin":0,"end":33},"obj":"Sentence"},{"id":"T954","span":{"begin":35,"end":56},"obj":"Sentence"},{"id":"T955","span":{"begin":57,"end":116},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Compliance with ethical standards\n\nConflict of interests\nThe authors declare that they have no conflict of interest."}