PMC:1253828 / 271-283 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T290","span":{"begin":4,"end":6},"obj":"IN"},{"id":"T291","span":{"begin":7,"end":12},"obj":"NN"}],"text":"ing to metal"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T156","span":{"begin":7,"end":12},"obj":"CHEBI_EXT:metal"}],"text":"ing to metal"}