PMC:7544943 / 23927-23935 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"389","span":{"begin":0,"end":8},"obj":"Chemical"}],"attributes":[{"id":"A389","pred":"tao:has_database_id","subj":"389","obj":"MESH:D006859"}],"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":"hydrogen"}