PMC:7102551 / 6313-6361
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T45","span":{"begin":0,"end":33},"obj":"Sentence"},{"id":"T46","span":{"begin":34,"end":48},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Declaration of Competing Interest\nNone declared."}