PMC:7386785 / 36977-37076 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T51639","span":{"begin":94,"end":98},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"Were the reference standard results interpreted without knowledge of the results of the index test?"}

{"project":"LitCovid-sentences","denotations":[{"id":"T376","span":{"begin":0,"end":99},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Were the reference standard results interpreted without knowledge of the results of the index test?"}