PMC:1064854 / 623-625 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T835","span":{"begin":0,"end":1},"obj":"SYM"},{"id":"T836","span":{"begin":1,"end":2},"obj":"HYPH"}],"text":"−/"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T667","span":{"begin":0,"end":1},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"−/"}