PMC:6988269 / 19917-20189 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T209","span":{"begin":29,"end":34},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"},{"id":"T210","span":{"begin":38,"end":39},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T211","span":{"begin":73,"end":77},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"ples that contained the same virus at a higher concentration but did not test positive. Given the results from the extensive technical qualification described above, it was concluded that this initial reactivity was not due to chemical instability of real-time PCR probes "}