PMC:539061 / 33-39 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T152","span":{"begin":1,"end":3},"obj":"NN"},{"id":"T153","span":{"begin":0,"end":1},"obj":"HYPH"}],"relations":[{"id":"R6","pred":"punct","subj":"T153","obj":"T152"}],"text":"-β2 an"}