PMC:1630711 / 1436-1451 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1056","span":{"begin":1,"end":11},"obj":"NN"},{"id":"T1057","span":{"begin":12,"end":14},"obj":"IN"}],"relations":[{"id":"R238","pred":"prep","subj":"T1057","obj":"T1056"}],"text":" alteration of "}