PMC:1315279 / 23112-23117 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T5172","span":{"begin":0,"end":1},"obj":"SYM"},{"id":"T5173","span":{"begin":1,"end":2},"obj":"HYPH"},{"id":"T5174","span":{"begin":2,"end":3},"obj":"SYM"}],"text":"−/− m"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T4925","span":{"begin":0,"end":1},"obj":"SO_EXT:sequence_nullness_or_absence"},{"id":"T4926","span":{"begin":2,"end":3},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"−/− m"}