PMC:340383 / 16468-16474 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T3916","span":{"begin":2,"end":5},"obj":"NN"}],"text":"n ion "}

{"project":"craft-ca-core-dev","denotations":[{"id":"T3422","span":{"begin":2,"end":5},"obj":"CHEBI:24870"}],"text":"n ion "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T3522","span":{"begin":2,"end":5},"obj":"CHEBI:24870"}],"text":"n ion "}