PMC:2917556 / 21520-21522
Annnotations
2_test
{"project":"2_test","denotations":[{"id":"20473702-1525798-60564788","span":{"begin":0,"end":2},"obj":"1525798"},{"id":"20473702-8062362-60564788","span":{"begin":0,"end":2},"obj":"8062362"}],"text":"51"}