PMC:1914394 / 12285-12293 JSONTXT

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{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T6760","span":{"begin":2,"end":6},"obj":"PR_EXT:000006854"}],"text":"r E2f3. "}

{"project":"craft-ca-core-dev","denotations":[{"id":"T6617","span":{"begin":2,"end":6},"obj":"PR:000006854"}],"text":"r E2f3. "}