PMC:7650537 / 513-646 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T5","span":{"begin":0,"end":133},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Sensitivities were calculated with convalescent sera from 26 PCR-confirmed cases, of which 76.9% had neutralizing antibodies (\u003e1:10)."}