PMC:7234792 / 389-478
Annnotations
LitCovid-PD-CHEBI
{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T4","span":{"begin":40,"end":43},"obj":"Chemical"}],"attributes":[{"id":"A4","pred":"chebi_id","subj":"T4","obj":"http://purl.obolibrary.org/obo/CHEBI_64198"}],"text":"ract, including bronchoalveolar lavage (BAL).4 Some data suggest that RT-PCR might be mor"}