PMC:7546122 / 6282-6485 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T59","span":{"begin":48,"end":53},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"}],"text":"The reciprocal sample dilution resulting in 50% virus neutralization (NT50) was determined using the Spearman-Kärber formula, and the calculated neutralization titer for 50% of the wells reported as 1:X."}

{"project":"LitCovid-sentences","denotations":[{"id":"T40","span":{"begin":0,"end":203},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The reciprocal sample dilution resulting in 50% virus neutralization (NT50) was determined using the Spearman-Kärber formula, and the calculated neutralization titer for 50% of the wells reported as 1:X."}