PMC:7126544 / 40588-40685 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T328","span":{"begin":66,"end":71},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":" that there have been confirmed patients whose viral nucleic acid tests are negative multiple tim"}

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T72","span":{"begin":53,"end":65},"obj":"Chemical"},{"id":"T73","span":{"begin":61,"end":65},"obj":"Chemical"}],"attributes":[{"id":"A72","pred":"chebi_id","subj":"T72","obj":"http://purl.obolibrary.org/obo/CHEBI_33696"},{"id":"A73","pred":"chebi_id","subj":"T73","obj":"http://purl.obolibrary.org/obo/CHEBI_37527"}],"text":" that there have been confirmed patients whose viral nucleic acid tests are negative multiple tim"}

{"project":"LitCovid-PubTator","denotations":[{"id":"1063","span":{"begin":32,"end":40},"obj":"Species"}],"attributes":[{"id":"A1063","pred":"tao:has_database_id","subj":"1063","obj":"Tax:9606"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":" that there have been confirmed patients whose viral nucleic acid tests are negative multiple tim"}