PMC:7352545 / 82989-83034
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T798","span":{"begin":0,"end":45},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The author declares no conflicts of interest."}