PMC:1626108 / 34026-34040 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T6615","span":{"begin":0,"end":11},"obj":"NN"},{"id":"T6616","span":{"begin":12,"end":14},"obj":"IN"}],"relations":[{"id":"R4030","pred":"prep","subj":"T6616","obj":"T6615"}],"text":"enhancement of"}