PMC:1635039 / 148-170 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T535","span":{"begin":1,"end":11},"obj":"sentence"},{"id":"T536","span":{"begin":1,"end":11},"obj":"NN"},{"id":"T538","span":{"begin":12,"end":22},"obj":"JJ"}],"text":"\nBackground\nCongenital"}