PMC:1540739 / 12262-12266 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T7510","span":{"begin":2,"end":3},"obj":"HYPH"},{"id":"T7511","span":{"begin":3,"end":4},"obj":"SYM"}],"text":"CE/−"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T7485","span":{"begin":3,"end":4},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"CE/−"}