PMC:1315279 / 1019-1026 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T433","span":{"begin":0,"end":6},"obj":"NN"}],"text":"marker "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T181","span":{"begin":0,"end":6},"obj":"CHEBI_SO_EXT:molecular_indicator_or_label_or_marker_or_tag"}],"text":"marker "}