PMC:1181811 / 504-522
Annnotations
craft-sa-dev
{"project":"craft-sa-dev","denotations":[{"id":"T211","span":{"begin":2,"end":12},"obj":"NNS"},{"id":"T219","span":{"begin":13,"end":16},"obj":"IN"},{"id":"T220","span":{"begin":17,"end":18},"obj":"DT"}],"relations":[{"id":"R83","pred":"prep","subj":"T219","obj":"T211"}],"text":"n mechanisms for a"}