PMC:1420271 / 8247-8251 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T4580","span":{"begin":0,"end":1},"obj":"SYM"},{"id":"T4581","span":{"begin":1,"end":2},"obj":"CD"}],"relations":[{"id":"R1288","pred":"punct","subj":"T4580","obj":"T4581"}],"text":"~6 k"}