PMC:7574920 / 36644-36830 JSONTXT

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{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T71","span":{"begin":141,"end":156},"obj":"Chemical"}],"attributes":[{"id":"A71","pred":"chebi_id","subj":"T71","obj":"http://purl.obolibrary.org/obo/CHEBI_7754"}],"text":"fe” clinical samples including a large fraction of negative clinical samples. To overcome the problem of spurious amplification, an expanded oligonucleotide set that incorporates sequenc"}

{"project":"LitCovid-PubTator","denotations":[{"id":"253","span":{"begin":141,"end":156},"obj":"Chemical"}],"attributes":[{"id":"A253","pred":"tao:has_database_id","subj":"253","obj":"MESH:D009841"}],"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":"fe” clinical samples including a large fraction of negative clinical samples. To overcome the problem of spurious amplification, an expanded oligonucleotide set that incorporates sequenc"}