PMC:340383 / 234-246 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T257","span":{"begin":4,"end":9},"obj":"NN"},{"id":"T259","span":{"begin":10,"end":12},"obj":"IN"}],"relations":[{"id":"R36","pred":"prep","subj":"T259","obj":"T257"}],"text":"nal study of"}