PMC:1892049 / 16650-16656 JSONTXT

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T6294","span":{"begin":2,"end":6},"obj":"CHEBI:29108"}],"text":"o Ca2+"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T5972","span":{"begin":2,"end":6},"obj":"CHEBI:29108"}],"text":"o Ca2+"}

{"project":"craft-sa-dev","denotations":[{"id":"T8170","span":{"begin":2,"end":6},"obj":"NN"}],"text":"o Ca2+"}