PMC:1084331 / 721-735 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T370","span":{"begin":5,"end":12},"obj":"NNS"},{"id":"T372","span":{"begin":12,"end":14},"obj":","}],"text":"tion markers, "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T249","span":{"begin":5,"end":12},"obj":"CHEBI_SO_EXT:molecular_indicator_or_label_or_marker_or_tag"}],"text":"tion markers, "}