PMC:1189074 / 585-591 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T157","span":{"begin":1,"end":2},"obj":"SYM"},{"id":"T158","span":{"begin":2,"end":3},"obj":"HYPH"},{"id":"T159","span":{"begin":3,"end":4},"obj":"SYM"}],"text":"D−/− m"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T294","span":{"begin":1,"end":2},"obj":"SO_EXT:sequence_nullness_or_absence"},{"id":"T295","span":{"begin":3,"end":4},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"D−/− m"}