PMC:7784824 / 1229-1447 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T21","span":{"begin":135,"end":199},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"nterpretation of the pooled sensitivity of IgM/A and IgG resulted in the highest values (range 14–71% on day 2–7; 88–94% on day 8–18). Overall, the specificity of the assays was high (range 79–100%). Among 145 retrospe"}