PMC:7156903 / 4956-5054 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T44","span":{"begin":19,"end":29},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"},{"id":"T45","span":{"begin":77,"end":80},"obj":"http://purl.obolibrary.org/obo/CLO_0051582"}],"text":"Viral nucleic acid testing is an important diagnostic criterion; however, it has some limitations."}

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T8","span":{"begin":6,"end":18},"obj":"Chemical"},{"id":"T9","span":{"begin":14,"end":18},"obj":"Chemical"}],"attributes":[{"id":"A8","pred":"chebi_id","subj":"T8","obj":"http://purl.obolibrary.org/obo/CHEBI_33696"},{"id":"A9","pred":"chebi_id","subj":"T9","obj":"http://purl.obolibrary.org/obo/CHEBI_37527"}],"text":"Viral nucleic acid testing is an important diagnostic criterion; however, it has some limitations."}

{"project":"LitCovid-sentences","denotations":[{"id":"T34","span":{"begin":0,"end":98},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Viral nucleic acid testing is an important diagnostic criterion; however, it has some limitations."}