PMC:1189073 / 34568-34576 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T17057","span":{"begin":2,"end":4},"obj":"CD"},{"id":"T17058","span":{"begin":5,"end":8},"obj":"NN"}],"relations":[{"id":"R4992","pred":"nummod","subj":"T17057","obj":"T17058"}],"text":"t 30 min"}