PMC:1920263 / 23017-23020 JSONTXT

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{"project":"pmc-enju-pas","denotations":[{"id":"T18980","span":{"begin":0,"end":3},"obj":"NN"}],"namespaces":[{"prefix":"_base","uri":"http://kmcs.nii.ac.jp/enju/"}],"text":"±SD"}