PMC:1482699 / 4278-4282 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T3212","span":{"begin":0,"end":2},"obj":"CD"},{"id":"T3213","span":{"begin":2,"end":3},"obj":"-RRB-"},{"id":"T3214","span":{"begin":3,"end":4},"obj":"."}],"text":"21]."}