PMC:3558958 / 13934-13961 JSONTXT

{"project":"2_test","denotations":[{"id":"23408395-18298829-140428077","span":{"begin":7,"end":9},"obj":"18298829"},{"id":"23408395-21167037-140428078","span":{"begin":10,"end":12},"obj":"21167037"}],"text":"faces [19,20] forming compl"}