PMC:1064854 / 844-850 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T885","span":{"begin":1,"end":2},"obj":"SYM"},{"id":"T886","span":{"begin":2,"end":3},"obj":"HYPH"},{"id":"T887","span":{"begin":3,"end":4},"obj":"SYM"}],"text":"α−/− m"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T681","span":{"begin":1,"end":2},"obj":"SO_EXT:sequence_nullness_or_absence"},{"id":"T682","span":{"begin":3,"end":4},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"α−/− m"}