PMC:1253828 / 133-145 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T262","span":{"begin":4,"end":10},"obj":"NN"},{"id":"T265","span":{"begin":11,"end":12},"obj":"CD"}],"relations":[{"id":"R27","pred":"nummod","subj":"T265","obj":"T262"}],"text":"ion factor 1"}