PMC:6736480 / 22617-22619
Annnotations
2_test
{"project":"2_test","denotations":[{"id":"31464897-16273666-68392323","span":{"begin":0,"end":2},"obj":"16273666"},{"id":"31464897-18043968-68392323","span":{"begin":0,"end":2},"obj":"18043968"},{"id":"31464897-16532432-68392323","span":{"begin":0,"end":2},"obj":"16532432"},{"id":"31464897-16450221-68392323","span":{"begin":0,"end":2},"obj":"16450221"}],"text":"28"}