PMC:549712 / 5469-5478 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1982","span":{"begin":2,"end":9},"obj":"NN"},{"id":"T1983","span":{"begin":1,"end":2},"obj":"HYPH"}],"relations":[{"id":"R824","pred":"punct","subj":"T1983","obj":"T1982"}],"text":"w-density"}