PMC:1941754 / 863-870 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T278","span":{"begin":0,"end":7},"obj":"NNS"}],"text":"markers"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T106","span":{"begin":0,"end":7},"obj":"CHEBI_SO_EXT:molecular_indicator_or_label_or_marker_or_tag"}],"text":"markers"}