PMC:7784824 / 14175-14188
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T155","span":{"begin":0,"end":13},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"29% n.a. n.a."}