PMC:1315279 / 33663-33674 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T7861","span":{"begin":4,"end":5},"obj":"SYM"},{"id":"T7862","span":{"begin":5,"end":6},"obj":"HYPH"},{"id":"T7863","span":{"begin":6,"end":7},"obj":"SYM"}],"text":"am68−/− fem"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T7069","span":{"begin":4,"end":5},"obj":"SO_EXT:sequence_nullness_or_absence"},{"id":"T7070","span":{"begin":6,"end":7},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"am68−/− fem"}