PMC:1166548 / 1782-1793 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T477","span":{"begin":1,"end":3},"obj":"IN"},{"id":"T478","span":{"begin":4,"end":10},"obj":"NN"}],"text":" by marker "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T128","span":{"begin":4,"end":10},"obj":"CHEBI_SO_EXT:molecular_indicator_or_label_or_marker_or_tag"}],"text":" by marker "}