PMC:7205724 / 179-188 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T24","span":{"begin":2,"end":3},"obj":"IN"},{"id":"T25","span":{"begin":5,"end":9},"obj":"NNP"}],"relations":[{"id":"R20","pred":"arg1Of","subj":"T25","obj":"T24"}],"text":"s\n• IVIG"}