PMC:1914394 / 5598-5605 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T33756","span":{"begin":0,"end":3},"obj":"CC"},{"id":"T33757","span":{"begin":4,"end":7},"obj":"NN"}],"text":"and E2f"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T33419","span":{"begin":4,"end":7},"obj":"PR_EXT:E2F"}],"text":"and E2f"}