PMC:1941754 / 744-756 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T257","span":{"begin":1,"end":8},"obj":"NNS"},{"id":"T258","span":{"begin":9,"end":11},"obj":"IN"}],"relations":[{"id":"R109","pred":"prep","subj":"T258","obj":"T257"}],"text":" markers of "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T99","span":{"begin":1,"end":8},"obj":"CHEBI_SO_EXT:molecular_indicator_or_label_or_marker_or_tag"}],"text":" markers of "}