PMC:1420271 / 2477-2493 JSONTXT

{"project":"craft-ca-core-dev","denotations":[{"id":"T2016","span":{"begin":0,"end":16},"obj":"_FRAGMENT"}],"text":"proliferation of"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T2109","span":{"begin":0,"end":16},"obj":"_FRAGMENT"}],"text":"proliferation of"}

{"project":"craft-sa-dev","denotations":[{"id":"T2319","span":{"begin":0,"end":13},"obj":"NN"},{"id":"T2320","span":{"begin":14,"end":16},"obj":"IN"}],"text":"proliferation of"}