PMC:1140370 / 12695-12708 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T3806","span":{"begin":4,"end":5},"obj":"-RRB-"},{"id":"T3807","span":{"begin":5,"end":7},"obj":","},{"id":"T3808","span":{"begin":7,"end":9},"obj":"IN"},{"id":"T3809","span":{"begin":10,"end":11},"obj":"DT"}],"text":"heme), in a m"}