PMC:1315279 / 16436-16442 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T3599","span":{"begin":4,"end":5},"obj":"SYM"},{"id":"T3600","span":{"begin":5,"end":6},"obj":"HYPH"}],"text":"am68−/"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T3551","span":{"begin":4,"end":5},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"am68−/"}