PMC:1858683 / 1071-1076 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1135","span":{"begin":4,"end":5},"obj":"SYM"}],"text":"ygo2-"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T886","span":{"begin":4,"end":5},"obj":"SO_EXT:sequence_nullness_or_absence"}],"text":"ygo2-"}