PMC:7283670 / 32250-32272
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T254","span":{"begin":0,"end":22},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"14% (6,168), critical:"}