information about Preferred provider organization field
Field Hierarchy
| Parent | |||
|---|---|---|---|
Political science 21.4M papers | Law 13.3M papers | Economics 11.7M papers | Economic growth 2.6M papers |
Health care 1.2M papers | Health insurance 36.8k papers | Managed care 15.7k papers | Health maintenance 2,887 papers |
| Current | |||
Preferred provider organization 461 papers | |||
| Child | |||
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