PMC:7463108 / 5269-5356 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T10","span":{"begin":9,"end":17},"obj":"Chemical"},{"id":"T11","span":{"begin":68,"end":76},"obj":"Chemical"}],"attributes":[{"id":"A10","pred":"chebi_id","subj":"T10","obj":"http://purl.obolibrary.org/obo/CHEBI_119915"},{"id":"A11","pred":"chebi_id","subj":"T11","obj":"http://purl.obolibrary.org/obo/CHEBI_17303"},{"id":"A12","pred":"chebi_id","subj":"T11","obj":"http://purl.obolibrary.org/obo/CHEBI_58097"}],"text":" such as fentanyl, are several orders of magnitude more potent than morphine, easily sm"}

{"project":"LitCovid-PubTator","denotations":[{"id":"89","span":{"begin":9,"end":17},"obj":"Chemical"},{"id":"90","span":{"begin":68,"end":76},"obj":"Chemical"}],"attributes":[{"id":"A89","pred":"tao:has_database_id","subj":"89","obj":"MESH:D005283"},{"id":"A90","pred":"tao:has_database_id","subj":"90","obj":"MESH:D009020"}],"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":" such as fentanyl, are several orders of magnitude more potent than morphine, easily sm"}