PMC:1064854 / 1550-1555 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1026","span":{"begin":0,"end":1},"obj":"SYM"},{"id":"T1027","span":{"begin":1,"end":2},"obj":"HYPH"},{"id":"T1028","span":{"begin":2,"end":3},"obj":"SYM"}],"text":"−/− m"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T717","span":{"begin":0,"end":1},"obj":"SO_EXT:sequence_nullness_or_absence"},{"id":"T718","span":{"begin":2,"end":3},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"−/− m"}