PMC:7156903 / 682-873 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T5","span":{"begin":15,"end":20},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"},{"id":"T6","span":{"begin":140,"end":141},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":" identified by virus isolation or viral nucleic acid detection; however, false negatives associated with the nucleic acid detection provide a clinical challenge and thus make the imaging exam"}

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T1","span":{"begin":40,"end":52},"obj":"Chemical"},{"id":"T2","span":{"begin":48,"end":52},"obj":"Chemical"},{"id":"T3","span":{"begin":109,"end":121},"obj":"Chemical"},{"id":"T4","span":{"begin":117,"end":121},"obj":"Chemical"}],"attributes":[{"id":"A1","pred":"chebi_id","subj":"T1","obj":"http://purl.obolibrary.org/obo/CHEBI_33696"},{"id":"A2","pred":"chebi_id","subj":"T2","obj":"http://purl.obolibrary.org/obo/CHEBI_37527"},{"id":"A3","pred":"chebi_id","subj":"T3","obj":"http://purl.obolibrary.org/obo/CHEBI_33696"},{"id":"A4","pred":"chebi_id","subj":"T4","obj":"http://purl.obolibrary.org/obo/CHEBI_37527"}],"text":" identified by virus isolation or viral nucleic acid detection; however, false negatives associated with the nucleic acid detection provide a clinical challenge and thus make the imaging exam"}