PMC:7435837 / 33252-33259 JSONTXT

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{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T452","span":{"begin":0,"end":7},"obj":"Chemical"}],"attributes":[{"id":"A452","pred":"chebi_id","subj":"T452","obj":"http://purl.obolibrary.org/obo/CHEBI_28304"}],"text":"heparin"}

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