PMC:7652766 / 29020-29028 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"1175","span":{"begin":0,"end":8},"obj":"Chemical"}],"attributes":[{"id":"A1175","pred":"tao:has_database_id","subj":"1175","obj":"MESH:D009584"}],"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":"nitrogen"}