PMC:7253482 / 8857-8889 JSONTXT

{"project":"LitCovid-sample-Enju","denotations":[{"id":"T1258","span":{"begin":1,"end":8},"obj":"NNS"},{"id":"T1259","span":{"begin":9,"end":13},"obj":"VBD"},{"id":"T1260","span":{"begin":14,"end":21},"obj":"RB"},{"id":"T1261","span":{"begin":22,"end":31},"obj":"JJ"}],"relations":[{"id":"R1264","pred":"arg2Of","subj":"T1261","obj":"T1259"},{"id":"R1265","pred":"arg1Of","subj":"T1261","obj":"T1260"}],"text":" spectra were largely invariant "}