PMC:7386785 / 5148-5351 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T44","span":{"begin":8,"end":28},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"roups.\n\nAuthors' conclusions\nThe individual signs and symptoms included in this review appear to have very poor diagnostic properties, although this should be interpreted in the context of selection bias"}