PMC:7199903 / 698-729 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T102","span":{"begin":2,"end":6},"obj":"WDT"},{"id":"T103","span":{"begin":7,"end":10},"obj":"MD"},{"id":"T104","span":{"begin":11,"end":13},"obj":"VB"},{"id":"T105","span":{"begin":14,"end":18},"obj":"VBN"},{"id":"T106","span":{"begin":19,"end":21},"obj":"TO"},{"id":"T107","span":{"begin":22,"end":29},"obj":"VB"}],"relations":[{"id":"R106","pred":"arg2Of","subj":"T105","obj":"T103"},{"id":"R108","pred":"arg2Of","subj":"T105","obj":"T104"},{"id":"R110","pred":"arg3Of","subj":"T107","obj":"T105"},{"id":"R111","pred":"arg1Of","subj":"T107","obj":"T106"}],"text":"k that can be used to measure a"}