PMC:7650537 / 9018-9219 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T83","span":{"begin":42,"end":47},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"}],"text":"at least 50% of the wells compared to the virus control, was classified as reactive and probably as protective. The reciprocal titers were used to visualize the kinetics. If an exact titer could not be"}

{"project":"LitCovid-sentences","denotations":[{"id":"T69","span":{"begin":112,"end":170},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"at least 50% of the wells compared to the virus control, was classified as reactive and probably as protective. The reciprocal titers were used to visualize the kinetics. If an exact titer could not be"}