PMC:516044 / 19417-19424 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T5832","span":{"begin":5,"end":6},"obj":"SYM"},{"id":"T5831","span":{"begin":4,"end":5},"obj":"HYPH"},{"id":"T5830","span":{"begin":3,"end":4},"obj":"SYM"}],"text":"6a4-/- "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T4386","span":{"begin":5,"end":6},"obj":"SO_EXT:sequence_nullness_or_absence"},{"id":"T4385","span":{"begin":3,"end":4},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"6a4-/- "}