PMC:7029448 / 18325-18361
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T116","span":{"begin":0,"end":21},"obj":"Sentence"},{"id":"T117","span":{"begin":22,"end":36},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Conflict of interest: None declared."}