PMC:7795804 / 23731-23767
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T144","span":{"begin":0,"end":36},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Click here for additional data file."}