PMC:1084331 / 3445-3451 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1896","span":{"begin":2,"end":6},"obj":"NN"}],"text":"s Er81"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T1421","span":{"begin":2,"end":6},"obj":"PR_EXT:000007223"}],"text":"s Er81"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T1283","span":{"begin":2,"end":6},"obj":"PR:000007223"}],"text":"s Er81"}