PMC:4536246 / 13904-13906 JSONTXT

{"project":"TEST0","denotations":[{"id":"26272684-99-105-1511560","span":{"begin":0,"end":2},"obj":"[\"21331757\"]"}],"text":"21"}

{"project":"2_test","denotations":[{"id":"26272684-21331757-60565588","span":{"begin":0,"end":2},"obj":"21331757"}],"text":"21"}