PMC:516044 / 28259-28264 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T6769","span":{"begin":3,"end":4},"obj":"SYM"},{"id":"T6767","span":{"begin":2,"end":3},"obj":"NN"}],"relations":[{"id":"R4309","pred":"punct","subj":"T6769","obj":"T6767"}],"text":"f K+ "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T4590","span":{"begin":2,"end":4},"obj":"CHEBI:29103"}],"text":"f K+ "}

{"project":"craft-ca-core-dev","denotations":[{"id":"T4035","span":{"begin":2,"end":4},"obj":"CHEBI:29103"}],"text":"f K+ "}