| Acronym | Meaning |
 | FRS | Federal Reserve System; Federal Relay Service |
| NEI | National Eye Institute |
| CEDR | Comprehensive Epidemiologic Data Resource |
| NIDDK | National Institute Of Diabetes And Digestive And Kidney Disease |
| ECOSOC | Economic And Social Council |
| BIA | Bureau Of Indian Affairs |
| PAHO | Pan American Health Organization |
| CEOS | Child Exploitation And Obscenity Section |
| DSS | Defense Security Service |
| GIS | Geographic Information Systems |
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