PMC:1087847 / 1489-1506 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T530","span":{"begin":1,"end":9},"obj":"NN"},{"id":"T532","span":{"begin":10,"end":12},"obj":"IN"}],"relations":[{"id":"R253","pred":"prep","subj":"T532","obj":"T530"}],"text":" presence of nucl"}