PMC:1540739 / 4112-4121 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T3103","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"exchanges"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T2509","span":{"begin":0,"end":9},"obj":"SO_EXT:sequence_substitution_process"}],"text":"exchanges"}