PMC:7354481 / 52164-52208 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T337","span":{"begin":0,"end":44},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The authors declare no conflict of interest."}