PMC:1310901 / 4331-4336 JSONTXT

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{"project":"pmc-enju-pas","denotations":[{"id":"T1549","span":{"begin":0,"end":5},"obj":"CD"}],"namespaces":[{"prefix":"_base","uri":"http://kmcs.nii.ac.jp/enju/"}],"text":"20–23"}

{"project":"bionlp-st-ge-2016-spacy-parsed","denotations":[{"id":"T2195","span":{"begin":0,"end":2},"obj":"CD"},{"id":"T2196","span":{"begin":3,"end":5},"obj":"CD"}],"text":"20–23"}