PMC:329117 / 1738-1744 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T451","span":{"begin":2,"end":3},"obj":"CD"},{"id":"T452","span":{"begin":3,"end":4},"obj":"SYM"}],"relations":[{"id":"R144","pred":"punct","subj":"T452","obj":"T451"}],"text":"d 3' u"}