PMC:7463108 / 4832-4935 JSONTXT

{"project":"LitCovid-PD-CHEBI","denotations":[{"id":"T7","span":{"begin":40,"end":46},"obj":"Chemical"}],"attributes":[{"id":"A7","pred":"chebi_id","subj":"T7","obj":"http://purl.obolibrary.org/obo/CHEBI_27808"}],"text":"The second phase began in 2010 in which heroin took the lead as the principal cause of overdose deaths."}

{"project":"LitCovid-PubTator","denotations":[{"id":"86","span":{"begin":40,"end":46},"obj":"Chemical"},{"id":"93","span":{"begin":87,"end":102},"obj":"Disease"}],"attributes":[{"id":"A86","pred":"tao:has_database_id","subj":"86","obj":"MESH:D003932"},{"id":"A93","pred":"tao:has_database_id","subj":"93","obj":"MESH:D062787"}],"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":"The second phase began in 2010 in which heroin took the lead as the principal cause of overdose deaths."}

{"project":"LitCovid-sentences","denotations":[{"id":"T42","span":{"begin":0,"end":103},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The second phase began in 2010 in which heroin took the lead as the principal cause of overdose deaths."}