PMC:1253828 / 273-285 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T290","span":{"begin":2,"end":4},"obj":"IN"},{"id":"T291","span":{"begin":5,"end":10},"obj":"NN"}],"text":"g to metal r"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T156","span":{"begin":5,"end":10},"obj":"CHEBI_EXT:metal"}],"text":"g to metal r"}