PMC:1064854 / 348-351 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T785","span":{"begin":1,"end":2},"obj":"SYM"},{"id":"T786","span":{"begin":2,"end":3},"obj":"HYPH"}],"text":"α−/"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T655","span":{"begin":1,"end":2},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"α−/"}