GrayAnatomy:12 / 757-772 JSONTXT

{"project":"Grays_part1","denotations":[{"id":"T13","span":{"begin":0,"end":15},"obj":"Body_part"}],"attributes":[{"id":"A13","pred":"fma_id","subj":"T13","obj":"http://purl.org/sig/ont/fma/fma70317"}],"text":"umbilical veins"}