PMC:7152911 / 459-575 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T1","span":{"begin":24,"end":32},"obj":"Chemical"},{"id":"T2","span":{"begin":48,"end":56},"obj":"Chemical"}],"attributes":[{"id":"A1","pred":"chebi_id","subj":"T1","obj":"http://purl.obolibrary.org/obo/CHEBI_140488"},{"id":"A2","pred":"chebi_id","subj":"T2","obj":"http://purl.obolibrary.org/obo/CHEBI_33839"}],"text":", including antibodies, aptamers, and imprinted polymers, are discussed in terms of availability, production, and im"}