PMC:1084331 / 168-186 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T278","span":{"begin":6,"end":13},"obj":"NNS"},{"id":"T282","span":{"begin":14,"end":16},"obj":"IN"}],"relations":[{"id":"R23","pred":"prep","subj":"T282","obj":"T278"}],"text":"ption factors of t"}