PMC:7283670 / 33360-33402
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T272","span":{"begin":0,"end":42},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"6.7 days, illness onset to visit hospital:"}