PMC:1440874 / 192-204 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T180","span":{"begin":3,"end":9},"obj":"NN"},{"id":"T182","span":{"begin":10,"end":12},"obj":"IN"}],"relations":[{"id":"R25","pred":"prep","subj":"T182","obj":"T180"}],"text":"F2 family of"}