PMC:7435837 / 50596-50613 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T43889","span":{"begin":0,"end":17},"obj":"Chemical"},{"id":"T82879","span":{"begin":0,"end":7},"obj":"Chemical"},{"id":"T21073","span":{"begin":8,"end":17},"obj":"Chemical"}],"attributes":[{"id":"A33542","pred":"chebi_id","subj":"T43889","obj":"http://purl.obolibrary.org/obo/CHEBI_3311"},{"id":"A50383","pred":"chebi_id","subj":"T82879","obj":"http://purl.obolibrary.org/obo/CHEBI_22984"},{"id":"A76445","pred":"chebi_id","subj":"T82879","obj":"http://purl.obolibrary.org/obo/CHEBI_29320"},{"id":"A84681","pred":"chebi_id","subj":"T21073","obj":"http://purl.obolibrary.org/obo/CHEBI_41609"}],"text":"calcium carbonate"}