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| Abbreviation | Full Form | Category |
|---|---|---|
| POSI | Pain Of Salvation Influenced |
Others
|
| POSI | Parents Observation of Social Interaction |
Others
|
| POSI | Partido Obrero Socialista Internacionalista |
Others
|
| POSI | Peace Operations Summer Institute |
Others
|
| POSI | Phobia Origins Structured Interview |
Others
|
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An external entity that manages specific operational functions on behalf of another organization, most commonly in the insurance and healthcare sectors. It acts as an intermediary between insurers, policyholders, and\u2026
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