PMC:7247521 / 34409-34417
Annnotations
LitCovid-PD-CHEBI
{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T294","span":{"begin":0,"end":8},"obj":"Chemical"}],"attributes":[{"id":"A294","pred":"chebi_id","subj":"T294","obj":"http://purl.obolibrary.org/obo/CHEBI_49637"}],"text":"hydrogen"}