PMC:3368417 / 16699-16713 JSONTXT

{"project":"2_test","denotations":[{"id":"22675585-21910630-140447894","span":{"begin":6,"end":8},"obj":"21910630"},{"id":"22675585-21931562-140447895","span":{"begin":9,"end":11},"obj":"21931562"}],"text":"thus [48,49] a"}