PMC:7283670 / 53031-53072
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T595","span":{"begin":0,"end":41},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"50% of severe cases and all 4 mild cases."}