PMC:7156291 / 9415-9443
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T95","span":{"begin":0,"end":28},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" Unknown exposure 13 (14.8)"}