PMC:7386785 / 711-778
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T38360","span":{"begin":2,"end":12},"obj":"http://purl.obolibrary.org/obo/BFO_0000030"}],"text":"\n\nObjectives\nTo assess the diagnostic accuracy of signs and symptom"}
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T8","span":{"begin":2,"end":12},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"\n\nObjectives\nTo assess the diagnostic accuracy of signs and symptom"}