PMC:7045880 / 8399-8594 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T82","span":{"begin":149,"end":154},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"}],"text":"ryngeal samples, respectively, which were lower than the cycle threshold (Ct) values of 20.85 and 21.85 in the pre-inoculated samples. The number of virus copies in the samples before inoculation"}