PMC:549712 / 5187-5189 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1922","span":{"begin":0,"end":2},"obj":"NN"}],"text":"PS"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T1187","span":{"begin":0,"end":2},"obj":"CHEBI:18303"}],"text":"PS"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T940","span":{"begin":0,"end":2},"obj":"CHEBI:18303"}],"text":"PS"}