PMC:1482699 / 449-454 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T663","span":{"begin":1,"end":4},"obj":"NN"}],"text":" QTL "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T558","span":{"begin":1,"end":4},"obj":"SO_EXT:0000771"}],"text":" QTL "}

{"project":"craft-ca-core-dev","denotations":[{"id":"T537","span":{"begin":1,"end":4},"obj":"SO:0000771"}],"text":" QTL "}