| Acronym | Meaning |
 | NCCAM | National Center For Complementary And Alternative Medicine |
| U.S.C. | United States Code |
| OMHAR | Office Of Multifamily Housing Assistance Restructuring |
| OFHEO | Office Of Federal Housing Enterprise Oversight |
| OAIT | Office Of American Indian Trust |
| NARA | National Archives And Records Administration |
| MARVEL | Machine Assisted Realization Of The Virtual Electronic Library |
| NREVSS | National Respiratory And Enteric Virus Surveillance System |
| PHPPO | Public Health Practice Program Office |
| NIMH | National Institute Of Mental Health |
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