PMC:7247521 / 48351-48395
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T353","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."}