PMC:7408073 / 69175-69188 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"2452","span":{"begin":0,"end":5},"obj":"Chemical"}],"attributes":[{"id":"A2452","pred":"tao:has_database_id","subj":"2452","obj":"MESH:D008670"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"metal cations"}

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T254","span":{"begin":0,"end":13},"obj":"Chemical"},{"id":"T55642","span":{"begin":6,"end":13},"obj":"Chemical"}],"attributes":[{"id":"A48611","pred":"chebi_id","subj":"T254","obj":"http://purl.obolibrary.org/obo/CHEBI_25213"},{"id":"A94399","pred":"chebi_id","subj":"T55642","obj":"http://purl.obolibrary.org/obo/CHEBI_36916"}],"text":"metal cations"}