PMC:2063610 / 381-407 JSONTXT

{"project":"CellFinder","denotations":[{"id":"T11","span":{"begin":0,"end":26},"obj":"CellType"},{"id":"T12","span":{"begin":16,"end":26},"obj":"CellType"},{"id":"T13","span":{"begin":6,"end":15},"obj":"Anatomy"}],"text":"human embryonic stem cells"}