| Acronym | Meaning |
 | TLA | Three-Letter Abbreviation/Acronym |
| PAS | See Entry |
| RKO | Radio-Keith-Orpheum Pictures |
| PV | Picovolt |
| MGM | Metro Goldwyn Mayer -Montgomery |
| NIAAA | U.S. National Institute On Alcohol Abuse And Alcoholism |
| SV | El Salvador (ISO 3166 Digram) -Sportverein (German For Sport Association |
| OBE | Officer Of The Order Of The British Empire |
| AOU | American Ornithologists' Union |
| CMS | Centres For Medicare And Medicaid Services |
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