PMC:7126544 / 41038-41181 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T76","span":{"begin":113,"end":126},"obj":"Chemical"},{"id":"T77","span":{"begin":121,"end":126},"obj":"Chemical"}],"attributes":[{"id":"A76","pred":"chebi_id","subj":"T76","obj":"http://purl.obolibrary.org/obo/CHEBI_33696"},{"id":"A77","pred":"chebi_id","subj":"T77","obj":"http://purl.obolibrary.org/obo/CHEBI_37527"}],"text":"ts makes diagnosis and epidemic control more challenging. Sampling techniques, extraction and detection of viral nucleic acids, and diagnostic "}