PMC:1626108 / 4664-4680 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1281","span":{"begin":1,"end":10},"obj":"NNS"},{"id":"T1282","span":{"begin":10,"end":12},"obj":","},{"id":"T1283","span":{"begin":12,"end":15},"obj":"DT"}],"text":" receptors, the "}