PMC:314463 / 3729-3756 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1242","span":{"begin":1,"end":11},"obj":"NNS"},{"id":"T1243","span":{"begin":16,"end":26},"obj":"VB"},{"id":"T1244","span":{"begin":12,"end":15},"obj":"MD"}],"relations":[{"id":"R564","pred":"nsubj","subj":"T1242","obj":"T1243"},{"id":"R565","pred":"aux","subj":"T1244","obj":"T1243"}],"text":" mechanisms may contribute "}