PMC:7443692 / 15617-15738 JSONTXT

{"project":"LitCovid-sample-CHEBI","denotations":[{"id":"T108","span":{"begin":109,"end":112},"obj":"Chemical"}],"attributes":[{"id":"A108","pred":"chebi_id","subj":"T108","obj":"http://purl.obolibrary.org/obo/CHEBI_24870"}],"text":"Structures were assigned and grouped by type and structural features, and prevalence was determined based on ion current."}

{"project":"LitCovid-sample-sentences","denotations":[{"id":"T87","span":{"begin":0,"end":121},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Structures were assigned and grouped by type and structural features, and prevalence was determined based on ion current."}