PMC:1315279 / 686-696 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T371","span":{"begin":3,"end":5},"obj":"IN"},{"id":"T372","span":{"begin":6,"end":7},"obj":"CD"},{"id":"T374","span":{"begin":7,"end":8},"obj":"HYPH"}],"text":"at of 4-mo"}