PMC:7556165 / 49953-49976 JSONTXT

{"project":"LitCovid-sample-Pubtator","denotations":[{"id":"1056","span":{"begin":0,"end":23},"obj":"Chemical"}],"attributes":[{"id":"A1056","pred":"pubann:denotes","subj":"1056","obj":"MESH:D005998"}],"text":"g et al., 2020b; Wang e"}