PMC:7386785 / 37529-37618 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T21806","span":{"begin":80,"end":84},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"Did the definition of the reference standard incorporate results from the index test(s)? "}

{"project":"LitCovid-sentences","denotations":[{"id":"T378","span":{"begin":0,"end":88},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Did the definition of the reference standard incorporate results from the index test(s)? "}