PMC:1315279 / 40851-40853 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T9464","span":{"begin":0,"end":1},"obj":"CD"},{"id":"T9465","span":{"begin":1,"end":2},"obj":"SYM"}],"relations":[{"id":"R5933","pred":"punct","subj":"T9465","obj":"T9464"}],"text":"5′"}