PMC:1482699 / 80-103 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T588","span":{"begin":2,"end":3},"obj":"sentence"},{"id":"T589","span":{"begin":13,"end":23},"obj":"sentence"},{"id":"T590","span":{"begin":13,"end":23},"obj":"NN"}],"text":"ns\n\nAbstract\nBackground"}