PMC:1626108 / 11273-11280 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T11097","span":{"begin":5,"end":7},"obj":"NN"},{"id":"T11099","span":{"begin":3,"end":4},"obj":"SYM"}],"relations":[{"id":"R7372","pred":"punct","subj":"T11099","obj":"T11097"}],"text":"an ± SD"}