PMC:314463 / 752-757 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T297","span":{"begin":1,"end":5},"obj":"NN"}],"text":" exon"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T60","span":{"begin":1,"end":5},"obj":"SO:0000147"}],"text":" exon"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T124","span":{"begin":1,"end":5},"obj":"SO_EXT:0000147"}],"text":" exon"}