PMC:509410 / 3684-3686 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T878","span":{"begin":1,"end":2},"obj":"SYM"}],"text":" δ"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T402","span":{"begin":1,"end":2},"obj":"PR_EXT:000013057"}],"text":" δ"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T311","span":{"begin":1,"end":2},"obj":"PR:000013057"}],"text":" δ"}