PMC:7574920 / 27832-27964 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T246","span":{"begin":11,"end":17},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"},{"id":"T247","span":{"begin":73,"end":79},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":" also were tested by the direct swab–to–RT-LAMP assay. Many samples were tested twice but using aliquots withdrawn at different time"}

{"project":"LitCovid-PD-GO-BP","denotations":[{"id":"T163","span":{"begin":40,"end":42},"obj":"http://purl.obolibrary.org/obo/GO_0001171"}],"text":" also were tested by the direct swab–to–RT-LAMP assay. Many samples were tested twice but using aliquots withdrawn at different time"}