PMC:1564426 / 56769-56772 JSONTXT

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T30404","span":{"begin":0,"end":3},"obj":"CHEBI:16526"}],"text":"CO2"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T30364","span":{"begin":0,"end":3},"obj":"CHEBI:16526"}],"text":"CO2"}

{"project":"craft-sa-dev","denotations":[{"id":"T30469","span":{"begin":0,"end":3},"obj":"NN"}],"text":"CO2"}