PMC:1941754 / 741-754 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T257","span":{"begin":4,"end":11},"obj":"NNS"}],"text":"ral markers o"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T99","span":{"begin":4,"end":11},"obj":"CHEBI_SO_EXT:molecular_indicator_or_label_or_marker_or_tag"}],"text":"ral markers o"}