PMC:1087847 / 29109-29114 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T7642","span":{"begin":0,"end":4},"obj":"NN"}],"text":"Ca2+ "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T6345","span":{"begin":0,"end":4},"obj":"CHEBI:29108"}],"text":"Ca2+ "}

{"project":"craft-ca-core-dev","denotations":[{"id":"T6025","span":{"begin":0,"end":4},"obj":"CHEBI:29108"}],"text":"Ca2+ "}